diff --git a/collects/redex/private/traces.ss b/collects/redex/private/traces.ss
index 42ba9b4cad..519fd2267b 100644
--- a/collects/redex/private/traces.ss
+++ b/collects/redex/private/traces.ss
@@ -855,7 +855,8 @@
     (send text set-autowrap-bitmap #f)
     (send text set-max-width 'none)
     (send text freeze-colorer)
-    (send text stop-colorer (not scheme-colors?))
+    (unless scheme-colors?
+      (send text stop-colorer #t))
     (send es format-expr)
     es))
 
diff --git a/collects/redex/redex.scrbl b/collects/redex/redex.scrbl
index c277c38b9b..8688a30e38 100644
--- a/collects/redex/redex.scrbl
+++ b/collects/redex/redex.scrbl
@@ -1349,7 +1349,10 @@ filled in for the remaining colors.
 The @scheme[scheme-colors?] argument, if @scheme[#t] causes
 @scheme[traces] to color the contents of each of the windows according
 to DrScheme's Scheme mode color Scheme. If it is @scheme[#f],
-@scheme[traces] just uses black for the color scheme.
+@scheme[traces] just uses black for the color scheme. 
+In addition, Scheme-mode parenthesis highlighting is
+enabled when @scheme[scheme-colors?]
+is @scheme[#t] and not when it is @scheme[#f].
 
 The @scheme[term-filter] function is called each time a new node is
 about to be inserted into the graph. If the filter returns false, the