diff --git a/taglib/taglib_config.h.cmake b/taglib/taglib_config.h.cmake
index 0f499e2c..5f0ee6cf 100644
--- a/taglib/taglib_config.h.cmake
+++ b/taglib/taglib_config.h.cmake
@@ -1,4 +1,6 @@
 /* taglib_config.h. Generated by cmake from taglib_config.h.cmake */
 
+/* These values are no longer used. This file is present only for compatibility reasons. */
+
 #define   TAGLIB_WITH_ASF 1
 #define   TAGLIB_WITH_MP4 1