Small typos in guide.

pkgs/racket-doc/scribblings/guide/lists.scrbl

@@ -271,7 +271,7 @@ usually not worthwhile, as discussed below.}
      [(empty? lst) (reverse backward-result)]
      [else (iter (rest lst)
                  (cons (f (first lst))
-                          backward-result))]))
+                       backward-result))]))
   (iter lst empty))
 ]
 

pkgs/racket-doc/scribblings/guide/qq.scrbl

@@ -158,7 +158,7 @@ The same shorthands can be used in expressions:
 `(1 2 `(,(+ 1 2) ,,(- 5 1)))
 ]
 
-The shorthand for of @racket[unquote-splicing] is @litchar[",@"]:
+The shorthand form of @racket[unquote-splicing] is @litchar[",@"]:
 
 @examples[
 `(1 2 ,@(list (+ 1 2) (- 5 1)))

pkgs/racket-doc/scribblings/guide/quote.scrbl

@@ -1,7 +1,7 @@
 #lang scribble/doc
 @(require scribble/manual scribble/eval "guide-utils.rkt")
 
-@title[#:tag "quote"]{Quoting: @racket[quote] and @racketvalfont{'}}
+@title[#:tag "quote"]{Quoting: @racket[quote] and @litchar{'}}
 
 @refalso["quote"]{@racket[quote]}