kc3-lang/freetype

diff --git a/include/freetype.h b/include/freetype.h
index 9f2c453..7c46a77 100644
--- a/include/freetype.h
+++ b/include/freetype.h
@@ -643,7 +643,8 @@ FT_BEGIN_HEADER
   /*    FT_ENCODING_MS_SYMBOL ::                                           */
   /*      Corresponds to the Microsoft Symbol encoding, used to encode     */
   /*      mathematical symbols and wingdings.  For more information, see   */
-  /*      `http://www.kostis.net/charsets/symbol.htm' and                  */
+  /*      `http://www.microsoft.com/typography/otspec/recom.htm',          */
+  /*      `http://www.kostis.net/charsets/symbol.htm', and                 */
   /*      `http://www.kostis.net/charsets/wingding.htm'.                   */
   /*                                                                       */
   /*      This encoding uses character codes from the PUA (Private Unicode */