diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 87a5cc6b9cbf..8aa4ecc7a8d9 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2005-04-26  Jones Desougi  <jones@ingate.com>
+
+	PR libstdc++/21131
+	* linkage.m4: Fix comments.
+
 2005-04-26  Paolo Carlini  <pcarlini@suse.de>
 
 	PR libstdc++/21209
diff --git a/libstdc++-v3/linkage.m4 b/libstdc++-v3/linkage.m4
index ed8458a420e3..1d289b4aede5 100644
--- a/libstdc++-v3/linkage.m4
+++ b/libstdc++-v3/linkage.m4
@@ -239,7 +239,7 @@ dnl 2) has "C" linkage
 dnl
 dnl argument 1 is name of function to check
 dnl
-dnl ASSUMES argument is a math function with TWO parameters
+dnl ASSUMES argument is a stdlib function with TWO parameters
 dnl
 dnl GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2
 AC_DEFUN([GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2], [
@@ -269,7 +269,7 @@ dnl 2) has "C" linkage
 dnl
 dnl argument 1 is name of function to check
 dnl
-dnl ASSUMES argument is a function with THREE parameters
+dnl ASSUMES argument is a stdlib function with THREE parameters
 dnl
 dnl GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_3
 AC_DEFUN([GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_3], [