doc x-ref clarifications

collects/scribblings/guide/namespaces.scrbl

@@ -126,9 +126,6 @@ argument. More often, the namespace used by a dynamic operation is the
 @deftech{current namespace} as determined by the
 @racket[current-namespace] @tech{parameter}.
 
-@margin-note{See @secref["parameterize"] for an introduction to
-parameters.}
-
 When @racket[eval] is used in a @tech{REPL}, the current namespace is the one
 that the @tech{REPL} uses for evaluating expressions. That's why the
 following interaction successfully accesses @racket[x] via

collects/scribblings/reference/eval.scrbl

@@ -33,6 +33,8 @@ evaluate later forms.}
                [namespace namespace? (current-namespace)])
          any]{
 
+@guidealso["namespaces"]
+
 Calls the current @tech{evaluation handler} to evaluate
 @racket[top-level-form]. The @tech{evaluation handler} is called in
 tail position with respect to the @racket[eval] call, and
@@ -155,6 +157,8 @@ resolved using the value of @racket[current-directory].}
 
 @defproc[(load [file path-string?]) any]{
 
+@guidealso["namespaces"]
+
 Calls the current @tech{load handler} in tail position. The call is
 @racket[parameterized] to set @racket[current-load-relative-directory]
 to the directory of @racket[file], which is resolved relative to