diff --git a/m4/slibtool.m4 b/m4/slibtool.m4
index f1624a4..4eb283b 100644
--- a/m4/slibtool.m4
+++ b/m4/slibtool.m4
@@ -321,7 +321,7 @@ AC_REQUIRE([SLIBTOOL_PREREQ])
 ])
 
 
-# SLIBTOOL_PREREQ(_VERSION_)
+# SLIBTOOL_PREREQ(_version_)
 # --------------------------
 AC_DEFUN([SLIBTOOL_PREREQ],[