diff --git a/ChangeLog b/ChangeLog
index 88fd592ce4..9dda4ba59d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Mar  6 14:59:30 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* error.c (report_bug): message updated to better English.
+	  [ruby-core:22665]
+
 Fri Mar  6 14:28:36 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* Makefile.in, win32/Makefile.sub (INSNS): moved variable
diff --git a/error.c b/error.c
index 98debd9743..0eec6b322a 100644
--- a/error.c
+++ b/error.c
@@ -216,7 +216,7 @@ report_bug(const char *file, int line, const char *fmt, va_list args)
 
 	fprintf(out,
 		"[NOTE]\n"
-		"You may encounter a bug of Ruby interpreter. Bug reports are welcome.\n"
+		"You may have encountered a bug in the Ruby interpreter. Bug reports are welcome.\n"
 		"For details: http://www.ruby-lang.org/bugreport.html\n\n");
     }
 }