diff --git a/ChangeLog b/ChangeLog
index bad575ed08..89cd7df316 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jun  3 22:37:26 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* ext/strscan/strscan.c (strscan_exist_p): fix document.
+
 Tue Jun  3 22:33:29 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* test/ruby/test_dir.rb: add tests to achieve over 90% test coverage
diff --git a/ext/strscan/strscan.c b/ext/strscan/strscan.c
index 99c0451e36..5cce337638 100644
--- a/ext/strscan/strscan.c
+++ b/ext/strscan/strscan.c
@@ -573,7 +573,7 @@ strscan_scan_until(VALUE self, VALUE re)
  *   s = StringScanner.new('test string')
  *   s.exist? /s/            # -> 3
  *   s.scan /test/           # -> "test"
- *   s.exist? /s/            # -> 6
+ *   s.exist? /s/            # -> 2
  *   s.exist? /e/            # -> nil
  */
 static VALUE