diff --git a/config.h.in b/config.h.in
index e664db7..e782858 100644
--- a/config.h.in
+++ b/config.h.in
@@ -1,4 +1,4 @@
-/* config.h.in.  Generated from configure.in by autoheader.  */
+/* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H