diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 27dbcb230c12..a2f1b3515a73 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
+
+	* doc/extend.texi (Function Attributes): Add missing comma in the
+	example of the "alloc_size" attribute.
+	
 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
 
 	Revert:
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index fd97c16d96fe..b28d9dfd35d1 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -1881,7 +1881,7 @@ For instance,
 
 @smallexample
 void* my_calloc(size_t, size_t) __attribute__((alloc_size(1,2)))
-void my_realloc(void* size_t) __attribute__((alloc_size(2)))
+void my_realloc(void*, size_t) __attribute__((alloc_size(2)))
 @end smallexample
 
 declares that my_calloc will return memory of the size given by