diff --git a/ChangeLog b/ChangeLog
index c1b937f81b..4210108cb8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Oct  7 23:53:08 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* string.c (rb_str_scan): small documentation fix.
+	  [ruby-core:09007]
+
 Sat Oct  7 23:44:33 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* bignum.c (rb_big_rshift): a bug in right shift of negative
diff --git a/string.c b/string.c
index 50a83e49fa..0da225d3a8 100644
--- a/string.c
+++ b/string.c
@@ -4059,7 +4059,7 @@ scan_once(VALUE str, VALUE pat, long *start)
  *     
  *     a.scan(/\w+/) {|w| print "<<#{w}>> " }
  *     print "\n"
- *     a.scan(/(.)(.)/) {|a,b| print b, a }
+ *     a.scan(/(.)(.)/) {|x,y| print y, x }
  *     print "\n"
  *     
  *  <em>produces:</em>