diff --git a/ChangeLog b/ChangeLog
index cf392d02d1..5b41172b48 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Aug  2 09:14:47 2013  Eric Hodel  <drbrain@segment7.net>
+
+	* doc/syntax/refinements.rdoc:  Improve description of where you may
+	  activate refinements.
+
 Fri Aug  2 07:45:55 2013  Tanaka Akira  <akr@fsij.org>
 
 	* bignum.c (big2str_orig): Remove len argument.
diff --git a/doc/syntax/refinements.rdoc b/doc/syntax/refinements.rdoc
index 519082e2f9..752f668923 100644
--- a/doc/syntax/refinements.rdoc
+++ b/doc/syntax/refinements.rdoc
@@ -48,9 +48,11 @@ Activate the refinement with #using:
 
 == Scope
 
-You may activate refinements at top-level to the end of the file or in a
-string passed to Kernel#eval, Kernel#instance_eval or Kernel#module_eval until
-the end of the string.
+You may only activate refinements at top-level, not inside any class, module
+or method scope.  You may activate refinements in a string passed to
+Kernel#eval, Kernel#instance_eval or Kernel#module_eval that is evaluated at
+top-level.  Refinements are active until the end of the file or the end of the
+eval string, respectively.
 
 Refinements are lexical in scope.  When control is transferred outside the
 scope the refinement is deactivated.  This means that if you require or load a