diff --git a/collects/scribblings/foreign/libs.scrbl b/collects/scribblings/foreign/libs.scrbl
index c3e5e66f74..2880189e3f 100644
--- a/collects/scribblings/foreign/libs.scrbl
+++ b/collects/scribblings/foreign/libs.scrbl
@@ -30,7 +30,7 @@ will try all of them.
 
 If @scheme[path] is @scheme[#f], then the resulting foreign-library
 value represents all libraries loaded in the current process,
-including libraries previouly opened with @scheme[ffi-lib].  In
+including libraries previously opened with @scheme[ffi-lib].  In
 particular, use @scheme[#f] to access C-level functionality exported
 by the run-time system (as described in @|InsideMzScheme|).
 
diff --git a/collects/scribblings/foreign/pointers.scrbl b/collects/scribblings/foreign/pointers.scrbl
index c7de6be2f7..9a80b7b45e 100644
--- a/collects/scribblings/foreign/pointers.scrbl
+++ b/collects/scribblings/foreign/pointers.scrbl
@@ -86,7 +86,7 @@ pointer, such as supplying the pointer to a foreign function. In
 particular, the pointer and offset are not combined until after all
 allocation leading up to a foreign-function call; if the called
 function does not itself call anything that can trigger a garbage
-collection, it can safey use pointers that are offset into the middle
+collection, it can safely use pointers that are offset into the middle
 of a GCable object.}
 
 
@@ -219,7 +219,7 @@ see @|InsideMzScheme|.
 
 Allocates a memory block of a specified size using a specified
 allocation. The result is a @scheme[cpointer] to the allocated
-memory. Alhough not reflected above, the four arguments can appear in
+memory.  Although not reflected above, the four arguments can appear in
 any order since they are all different types of Scheme objects; a size
 specification is required at minimum:
 
diff --git a/collects/scribblings/foreign/types.scrbl b/collects/scribblings/foreign/types.scrbl
index 661bf7c48d..bf64129765 100644
--- a/collects/scribblings/foreign/types.scrbl
+++ b/collects/scribblings/foreign/types.scrbl
@@ -18,7 +18,7 @@ along with conversion functions to and from the existing types.
 @defproc[(make-ctype [type ctype?]
                      [scheme-to-c (or/c false/c (any/c . -> . any))]
                      [c-to-scheme (or/c false/c (any/c . -> . any))])
-         cttype?]{
+         ctype?]{
 
 Creates a new @tech{C type} value, with the given conversions
 functions.  The conversion functions can be @scheme[#f] meaning that
@@ -136,7 +136,7 @@ inputs.}
 
 @subsection{Primitive String Types}
 
-The five primitive string types corerspond to cases where a C
+The five primitive string types correspond to cases where a C
 representation matches MzScheme's representation without encodings.
 
 The form @scheme[_bytes] form can be used type for Scheme byte
@@ -173,7 +173,7 @@ Return values using this type are interned as symbols.}
             [_string/locale ctype?])]{
 
 Types that correspond to (character) strings on the Scheme side and
-@cpp{char*} strings on the C side.  The brige between the two requires
+@cpp{char*} strings on the C side.  The bridge between the two requires
 a transformation on the content of the string.  As usual, the types
 treat @scheme[#f] as @cpp{NULL} and vice-versa.}
 
@@ -205,7 +205,7 @@ the parameter should be set before any interface definition that uses
 
 @defparam[default-_string-type type ctype?]{
 
-A parameter that determines the current meanging of @scheme[_string].
+A parameter that determines the current meaning of @scheme[_string].
 It is initially set to @scheme[_string/*utf-8].  If you change it, do
 so @italic{before} interfaces are defined.}
 
@@ -630,7 +630,7 @@ way to store pointers to GC-managed objects in structs (even if you
 keep a reference to avoid collecting the referenced objects, a the 3m
 variant's GC will invalidate the pointer's value).  Thus, only
 non-pointer values and pointers to memory that is outside the GC's
-control can be lpaced into struct fields.
+control can be placed into struct fields.
 
 As an example, consider the following C code:
 
diff --git a/collects/scribblings/foreign/unexported.scrbl b/collects/scribblings/foreign/unexported.scrbl
index f19628a032..f6573b971d 100644
--- a/collects/scribblings/foreign/unexported.scrbl
+++ b/collects/scribblings/foreign/unexported.scrbl
@@ -9,7 +9,7 @@
 
 @declare-exporting['#%foreign]
 
-Parts of the @schememodname[scheme/foreign] libray are implemented by
+Parts of the @schememodname[scheme/foreign] library are implemented by
 the MzScheme built-in @schememodname['#%foreign] module.  The
 @schememodname['#%foreign] module is not intended for direct use, but
 it exports the following procedures.  If you find any of these useful,
diff --git a/collects/scribblings/gui/button-class.scrbl b/collects/scribblings/gui/button-class.scrbl
index fd6e117a07..cabfa4dbf6 100644
--- a/collects/scribblings/gui/button-class.scrbl
+++ b/collects/scribblings/gui/button-class.scrbl
@@ -3,7 +3,7 @@
 
 @defclass/title[button% object% (control<%>)]{
 
-Whenever a button is clicked by the user, the buttons's callback
+Whenever a button is clicked by the user, the button's callback
  procedure is invoked. A callback procedure is provided as an
  initialization argument when each button is created.
 
diff --git a/collects/scribblings/gui/dialog-funcs.scrbl b/collects/scribblings/gui/dialog-funcs.scrbl
index eec0d4cc2b..3496d79aa9 100644
--- a/collects/scribblings/gui/dialog-funcs.scrbl
+++ b/collects/scribblings/gui/dialog-funcs.scrbl
@@ -43,7 +43,7 @@ Under Windows, if @scheme[extension] is not @scheme[#f], the returned path
  ignored on other platforms.
 
 The @scheme[style] list can contain @scheme['common], a
- platform-independant version of the dialog is used instead of a
+ platform-independent version of the dialog is used instead of a
  native dialog.  Under Mac OS X, if the @scheme[style] list
  contains @scheme['packages], a user is allowed to select a package
  directory, which is a directory with a special suffix (e.g.,
@@ -116,12 +116,12 @@ Under Windows, if @scheme[extension] is not @scheme[#f], the returned path
  @scheme[filters] argument has the same format and auxiliary role as for
 @scheme[get-file]. In particular, if the only pattern in @scheme[filters]
  is @scheme[(string-append "*." extension)], then the result pathname is guaranteed
- to have an extenson mapping @scheme[extension].
+ to have an extension mapping @scheme[extension].
 
 Under Mac OS X, if @scheme[extension] is not @scheme[#f]
  and @scheme[filters] contains the single
  pattern @scheme[(string-append "*." extension)], then the result pathname is
- guaranteed to have an extenson mapping @scheme[extension]. Otherwise,
+ guaranteed to have an extension mapping @scheme[extension]. Otherwise,
  @scheme[extension] and @scheme[filters] are ignored.
 
 The @scheme[extension] argument is ignored under X, and @scheme[filters]
diff --git a/collects/scribblings/gui/dynamic.scrbl b/collects/scribblings/gui/dynamic.scrbl
index a33df354cc..ae3bdc1620 100644
--- a/collects/scribblings/gui/dynamic.scrbl
+++ b/collects/scribblings/gui/dynamic.scrbl
@@ -5,7 +5,7 @@
 @title{Dynamic Loading}
 
 @defmodule[scheme/gui/dynamic]{The @schememodname[scheme/gui/dynamic]
-library provides functiosn for dynamically accessing the PLT Scheme
+library provides functions for dynamically accessing the PLT Scheme
 GUI toolbox, instead of directly requiring @scheme[scheme/gui] or
 @scheme[scheme/gui/base].}
 
diff --git a/collects/scribblings/gui/editor-snip-class.scrbl b/collects/scribblings/gui/editor-snip-class.scrbl
index 1e09f23f4d..748f1f0f34 100644
--- a/collects/scribblings/gui/editor-snip-class.scrbl
+++ b/collects/scribblings/gui/editor-snip-class.scrbl
@@ -328,7 +328,7 @@ Shows or hides the snip's border.
            boolean?]{
 
 Returns @scheme[#t] if the snip uses its style's background and
- transparency informaiton when drawing, @scheme[#f] otherwise.
+ transparency information when drawing, @scheme[#f] otherwise.
 
 See also @method[editor-snip% use-style-background].
 
diff --git a/collects/scribblings/gui/frame-class.scrbl b/collects/scribblings/gui/frame-class.scrbl
index 2a02347ea8..bbde004be5 100644
--- a/collects/scribblings/gui/frame-class.scrbl
+++ b/collects/scribblings/gui/frame-class.scrbl
@@ -277,7 +277,7 @@ The icon is used in a platform-specific way:
 
  @item{Windows --- the small icon is used for the frame's icon (in the
        top-left) and in the task bar, and the large icon is used for
-       the Atl-Tab task switcher.}
+       the Alt-Tab task switcher.}
 
  @item{Mac OS X --- both icons are ignored.}
 
diff --git a/collects/scribblings/gui/keymap-class.scrbl b/collects/scribblings/gui/keymap-class.scrbl
index bbe6a57616..23f6b710b7 100644
--- a/collects/scribblings/gui/keymap-class.scrbl
+++ b/collects/scribblings/gui/keymap-class.scrbl
@@ -276,7 +276,7 @@ For a special keyword, the capitalization does not matter. However,
  capitalization is important for single-letter keynames. Furthermore,
  single-letter ASCII keynames are treated specially: @litchar["A"] and
  @litchar["s:a"] are both treated as @litchar["s:A"].  However, when
- @litchar["c:"] is inclued under Windows without @litchar["m:"], or when
+ @litchar["c:"] is included under Windows without @litchar["m:"], or when
  @litchar["d:"] is included under Mac OS X, then ASCII letters are not
  upcased with @litchar["s:"], since the upcasing behavior of the Shift key
  is cancelled by Control without Alt (under Windows) or by Command
diff --git a/collects/scribblings/gui/miscwin-funcs.scrbl b/collects/scribblings/gui/miscwin-funcs.scrbl
index d94b97c19b..db2a022953 100644
--- a/collects/scribblings/gui/miscwin-funcs.scrbl
+++ b/collects/scribblings/gui/miscwin-funcs.scrbl
@@ -187,7 +187,7 @@ See also @scheme[write-resource].}
 Strips shortcut ampersands from @scheme[label], removes parenthesized
  ampersand--character combinations along with any surrounding space,
  and removes anything after a tab. Overall, it returns the label as it would
- appear on a button on a platform without support for menmonics.
+ appear on a button on a platform without support for mnemonics.
 
 }
 
diff --git a/collects/scribblings/gui/printer-dc-class.scrbl b/collects/scribblings/gui/printer-dc-class.scrbl
index 69d877cd9b..4dc04b6c17 100644
--- a/collects/scribblings/gui/printer-dc-class.scrbl
+++ b/collects/scribblings/gui/printer-dc-class.scrbl
@@ -8,7 +8,7 @@ A @scheme[printer-dc%] object is a Windows or Mac OS X printer
  @scheme[exn:misc:unsupported] exception is raised). 
 
 Under Mac OS X, a newly created @scheme[printer-dc%] object obtains
- orientation (portrait versus landspace) and scaling information from
+ orientation (portrait versus landscape) and scaling information from
  the current @scheme[ps-setup%] object, as determined by the
  @scheme[current-ps-setup] parameter. This information can be
  configured by the user through a dialog shown by
diff --git a/collects/scribblings/gui/selectable-menu-item-intf.scrbl b/collects/scribblings/gui/selectable-menu-item-intf.scrbl
index 0af288ede7..00dc8a3d8c 100644
--- a/collects/scribblings/gui/selectable-menu-item-intf.scrbl
+++ b/collects/scribblings/gui/selectable-menu-item-intf.scrbl
@@ -14,7 +14,7 @@ A @scheme[selectable-menu-item<%>] object is a
 @defmethod[(command [event (is-a?/c control-event%)])
            void?]{
 
-Invoke's the menu item's callback procedure, which is supplied when an
+Invokes the menu item's callback procedure, which is supplied when an
  instance of
 @scheme[menu-item%] or
 @scheme[checkable-menu-item%] is created.
@@ -78,7 +78,7 @@ The shortcut key, as determined by @method[selectable-menu-item<%>
 
 An empty list can be used for a shortcut prefix. However, the default
  @xmethod[frame% on-menu-char] method checks for menu shortcuts only
- when the key event includes either a non-Shift modifer or a Function
+ when the key event includes either a non-Shift modifier or a Function
  key. Thus, an empty shortcut prefix is normally useful only if the
  shortcut key is a Function key.
 
diff --git a/collects/scribblings/gui/snip-class.scrbl b/collects/scribblings/gui/snip-class.scrbl
index d848fbcab6..3a698c1ef6 100644
--- a/collects/scribblings/gui/snip-class.scrbl
+++ b/collects/scribblings/gui/snip-class.scrbl
@@ -111,7 +111,7 @@ Returns @scheme[#f].
            void?]{
 
 Tells the snip to blink the selection caret. This method is called
- periodically when the snips's editor's @techlink{display} has the
+ periodically when the snip's editor's @techlink{display} has the
  keyboard focus, and the snip has the editor-local focus.
 
 The drawing context and snip's @techlink{location}s in drawing context
diff --git a/collects/scribblings/gui/text-class.scrbl b/collects/scribblings/gui/text-class.scrbl
index e0c8ce13b8..168b1b12d1 100644
--- a/collects/scribblings/gui/text-class.scrbl
+++ b/collects/scribblings/gui/text-class.scrbl
@@ -1825,7 +1825,7 @@ Sets a paragraph-specific horizontal alignment. The alignment is only
 
 @italic{This method is experimental.} It works reliably only when the
  paragraph is not merged or split. Merging or splitting a paragraph
- with alignment settings causes the settings to be transfered
+ with alignment settings causes the settings to be transferred
  unpredictably (although other paragraphs in the editor can be safely
  split or merged). If the last paragraph in an editor is empty,
  settings assigned to it are ignored.
diff --git a/collects/scribblings/guide/char-strings.scrbl b/collects/scribblings/guide/char-strings.scrbl
index dd499618d1..0d4b5315ba 100644
--- a/collects/scribblings/guide/char-strings.scrbl
+++ b/collects/scribblings/guide/char-strings.scrbl
@@ -11,7 +11,7 @@ where doublequote and backslash characters within the string are
 escaped with backslashes. Other common string escapes are supported,
 including @litchar["\\n"] for a linefeed, @litchar["\\r"] for a
 carriage return, octal escapes using @litchar["\\"] followed by up
-to three octal digits, and hexadimal escapes with @litchar["\\u"]
+to three octal digits, and hexadecimal escapes with @litchar["\\u"]
 (up to four digits).  Unprintable characters in a string are normally
 shown with @litchar["\\u"] when the string is printed.
 
diff --git a/collects/scribblings/guide/chars.scrbl b/collects/scribblings/guide/chars.scrbl
index 0ee625bfd4..109b33dce0 100644
--- a/collects/scribblings/guide/chars.scrbl
+++ b/collects/scribblings/guide/chars.scrbl
@@ -21,7 +21,7 @@ between scalar-value numbers and the corresponding character.
 
 A printable character normally prints as @litchar["#\\"] followed
 by the represented character. An unprintable character normally prints
-as @litchar{#\u} followed by the scalar value as hexdecimal
+as @litchar{#\u} followed by the scalar value as hexadecimal
 number. A few characters are printed specially; for example, the space
 and linefeed characters print as @scheme[#\space] and
 @scheme[#\newline], respectively.
diff --git a/collects/scribblings/guide/class.scrbl b/collects/scribblings/guide/class.scrbl
index 43d4b3796d..75afea8d45 100644
--- a/collects/scribblings/guide/class.scrbl
+++ b/collects/scribblings/guide/class.scrbl
@@ -17,7 +17,7 @@ just like a @scheme[lambda] expression:
 
 The @scheme[_superclass-expr] determines the superclass for the new
 class. Each @scheme[_decl-or-expr] is either a declaration related to
-methods, fields, and intialization arguments, or it is an expression
+methods, fields, and initialization arguments, or it is an expression
 that is evaluated each time that the class is instantiated. In other
 words, instead of a method-like constructor, a class has
 initialization expressions interleaved with field and method
diff --git a/collects/scribblings/guide/guide.scrbl b/collects/scribblings/guide/guide.scrbl
index 88104bf539..13ae4b46f8 100644
--- a/collects/scribblings/guide/guide.scrbl
+++ b/collects/scribblings/guide/guide.scrbl
@@ -140,7 +140,7 @@ constant propagation, constant folding, and inlining optimizations.
 @section[#:tag "tools"]{More Tools}
 
 In the @seclink["intro"]{introduction}, we mentioned that PLT Scheme
-includes more tools bsides DrScheme and MzScheme:
+includes more tools besides DrScheme and MzScheme:
 
 @itemize{
 
diff --git a/collects/scribblings/guide/lambda.scrbl b/collects/scribblings/guide/lambda.scrbl
index 5734252701..b0c542dbd6 100644
--- a/collects/scribblings/guide/lambda.scrbl
+++ b/collects/scribblings/guide/lambda.scrbl
@@ -186,7 +186,7 @@ through parallel lists in the first two (by-position) arguments,
 and then all by-position arguments from an application as the
 remaining by-position arguments.
 
-@guideother{@secref["apply"] inroduces @scheme[keyword-apply].}
+@guideother{@secref["apply"] introduces @scheme[keyword-apply].}
 
 @defexamples[
 (define (trace-wrap f)
diff --git a/collects/scribblings/guide/let.scrbl b/collects/scribblings/guide/let.scrbl
index 9c13ec2ed5..8851d50d8b 100644
--- a/collects/scribblings/guide/let.scrbl
+++ b/collects/scribblings/guide/let.scrbl
@@ -177,7 +177,7 @@ results in a definition (see @secref["multiple-values"]),
 @specform[(letrec-values ([(id ...) expr] ...)
             body ...+)]
 
-Each @scheme[_expr] must produce as many values as coresponding
+Each @scheme[_expr] must produce as many values as corresponding
 @scheme[_id]s. The binding rules are the same for the forms
 without @schemekeywordfont{-values} forms: the @scheme[_id]s of
 @scheme[let-values] are bound only in the @scheme[_body]s, the
diff --git a/collects/scribblings/guide/lists.scrbl b/collects/scribblings/guide/lists.scrbl
index ceabe3e3dc..b90e46346a 100644
--- a/collects/scribblings/guide/lists.scrbl
+++ b/collects/scribblings/guide/lists.scrbl
@@ -25,7 +25,7 @@ parentheses wrapped around the printed form of the list
 elements. There's an opportunity for confusion here, because
 parentheses are used for both expressions, such as @scheme[(list "red"
 "green" "blue")], and printed results, such as @schemeresult[("red"
-"green" "blue")]. Rememeber that, in the documentation and in
+"green" "blue")]. Remember that, in the documentation and in
 DrScheme, parentheses for results are printed in blue, whereas
 parentheses for expressions are brown.
 
@@ -107,7 +107,7 @@ functions. One reason is that @scheme[map], @scheme[ormap],
 @scheme[andmap], and @scheme[filter] cover the most common kinds of
 list loops.
 
-Scheme provides a general @defterm{list compherension} form
+Scheme provides a general @defterm{list comprehension} form
 @scheme[for/list], which builds a list by iterating through
 @defterm{sequences}. List comprehensions and related iteration forms
 are described in see @secref["for"].
@@ -200,7 +200,7 @@ imagining how @scheme[(my-length (list "a" "b" "c"))] must evaluate:
 #,step 3
 ]
 
-For a list with @math{n} elements, evalution will stack up @math{n}
+For a list with @math{n} elements, evaluation will stack up @math{n}
 @scheme[(+ 1 ...)] additions, and then finally add them up when the
 list is exhausted.
 
diff --git a/collects/scribblings/guide/numbers.scrbl b/collects/scribblings/guide/numbers.scrbl
index a82eeb8289..fbde5b1c39 100644
--- a/collects/scribblings/guide/numbers.scrbl
+++ b/collects/scribblings/guide/numbers.scrbl
@@ -13,10 +13,10 @@ A Scheme @defterm{number} is either exact or inexact:
 
        @itemize{
 
-       @item{an aribrarily large or small integer, such as @scheme[5],
+       @item{an arbitrarily large or small integer, such as @scheme[5],
              @scheme[99999999999999999], or @scheme[-17];}
 
-       @item{a rational that is exactly the ratio of two arbitraily
+       @item{a rational that is exactly the ratio of two arbitrarily
              small or large integers, such as @scheme[1/2],
              @scheme[99999999999999999/2], or @scheme[-3/4]; or}
 
@@ -32,7 +32,7 @@ A Scheme @defterm{number} is either exact or inexact:
 
         @item{an IEEE floating-point representation of a number, such
               as @scheme[2.0] or @scheme[3.14e87], where the IEEE
-              infinitities and not-a-number are written
+              infinities and not-a-number are written
               @scheme[+inf.0], @scheme[-inf.0], and @scheme[+nan.0]
               (or @schemevalfont{-nan.0}); or}
 
@@ -50,8 +50,8 @@ exact numbers print as integers and fractions.  The same conventions
 apply for reading number constants, but @litchar{#e} or
 @litchar{#i} can prefix a number to force its parsing as an exact
 or inexact number. The prefixes @litchar{#b}, @litchar{#o}, and
-@litchar{#x} specificy binary, octal, and hexadecimal
-interprertation of digits.
+@litchar{#x} specify binary, octal, and hexadecimal
+interpretation of digits.
 
 @refdetails/gory["parse-number"]{the syntax of numbers}
 
diff --git a/collects/scribblings/guide/pairs.scrbl b/collects/scribblings/guide/pairs.scrbl
index c81acc3650..1bdd495b74 100644
--- a/collects/scribblings/guide/pairs.scrbl
+++ b/collects/scribblings/guide/pairs.scrbl
@@ -62,7 +62,7 @@ p
 p
 ]
 
-Among the most important predefined proecdures on lists are those that
+Among the most important predefined procedures on lists are those that
 iterate through the list's elements:
 
 @interaction[
diff --git a/collects/scribblings/guide/paths.scrbl b/collects/scribblings/guide/paths.scrbl
index 8b1ee05fc5..31c9247c90 100644
--- a/collects/scribblings/guide/paths.scrbl
+++ b/collects/scribblings/guide/paths.scrbl
@@ -15,9 +15,9 @@ always human-readable, and not all sequences can be decoded to Unicode
 scalar values.
 
 Despite the occasional encoding problems, most paths can be converted
-to and fom strings. Thus, procedures that accept a path argument
+to and from strings. Thus, procedures that accept a path argument
 always accept a string, and the printed form of a path uses the string
-decodin of the path inside @litchar{#<path:} and @litchar{>}. The
+decoding of the path inside @litchar{#<path:} and @litchar{>}. The
 @scheme[display] form of a path is the same as the @scheme[display]
 form of its string encodings.
 
@@ -38,7 +38,7 @@ values, instead of strings.
 Although it's sometimes tempting to directly manipulate strings that
 represent filesystem paths, correctly manipulating a path can be
 surprisingly difficult. For example, if you start under Unix with the
-aboslute path @file{/tmp/~} and take just the last part, you end up
+absolute path @file{/tmp/~} and take just the last part, you end up
 with @file{~}---which looks like a reference to the current user's
 home directory, instead of a relative path to a file of directory
 named @file{~}. Windows path manipulation, furthermore, is far
diff --git a/collects/scribblings/guide/ports.scrbl b/collects/scribblings/guide/ports.scrbl
index fbc569a197..f2430db54d 100644
--- a/collects/scribblings/guide/ports.scrbl
+++ b/collects/scribblings/guide/ports.scrbl
@@ -14,7 +14,7 @@ optional, and it defaults to either the @defterm{current input port}
 or @defterm{current output port}. For @exec{mzscheme}, the current
 ports are initialized to the process's stdin and stdout. The
 @scheme[current-input-port] and @scheme[current-output-port]
-procedures, whien called with no arguments, return the current output
+procedures, when called with no arguments, return the current output
 and input port, respectively.
 
 @examples[
diff --git a/collects/scribblings/guide/truth.scrbl b/collects/scribblings/guide/truth.scrbl
index 1cc3a3e6de..c1a428c3c5 100644
--- a/collects/scribblings/guide/truth.scrbl
+++ b/collects/scribblings/guide/truth.scrbl
@@ -95,7 +95,7 @@ not:
 (eval:alts (#, @scheme[quote] (0 #, @schemeparenfont{.} (1 . 2))) '(0 . (1 . 2)))
 ]
 
-Naturaly, lists can be nested:
+Naturally, lists can be nested:
 
 @interaction[
 (list (list 1 2 3) 5 (list "a" "b" "c"))
@@ -110,7 +110,7 @@ that looks like an identifier:
 ]
 
 A value that prints like an identifier is a @defterm{symbol}. In the
-same way that parentehsized output should not be confused with
+same way that parenthesized output should not be confused with
 expressions, a printed symbol should not be confused with an
 identifier. In particular, the symbol @scheme[(#, @scheme[quote] #,
 @schemeidfont{map})] has nothing to do with the @schemeidfont{map}
@@ -238,7 +238,7 @@ conversion enables a kind of general infix notation:
 '(1 . < . 2)
 ]
 
-This two-dot convension is non-traditional, and it has essentially
+This two-dot convention is non-traditional, and it has essentially
 nothing to do with the dot notation for non-list pairs. PLT Scheme
-programmers use the infix convension sparingly---mostly for asymmetric
+programmers use the infix convention sparingly---mostly for asymmetric
 binary operators such as @scheme[<] and @scheme[is-a?].
diff --git a/collects/scribblings/guide/vectors.scrbl b/collects/scribblings/guide/vectors.scrbl
index 26fd3f1bc1..bcbbb529a8 100644
--- a/collects/scribblings/guide/vectors.scrbl
+++ b/collects/scribblings/guide/vectors.scrbl
@@ -5,7 +5,7 @@
 
 @title[#:tag "vectors"]{Vectors}
 
-A @defterm{vector} is a fixed-length array of arbitarary
+A @defterm{vector} is a fixed-length array of arbitrary
 values. Unlike a list, a vector supports constant-time access and
 update of its elements.