diff --git a/expat/expat_config.h.cmake b/expat/expat_config.h.cmake
index 41829c04..864c7a69 100644
--- a/expat/expat_config.h.cmake
+++ b/expat/expat_config.h.cmake
@@ -1,4 +1,4 @@
-/* expat_config.h.in.  Generated from configure.in by autoheader.  */
+/* expat_config.h.cmake.  Based upon generated expat_config.h.in.  */
 
 /* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
 #cmakedefine BYTEORDER @BYTEORDER@