Clarify meaning of FT_ENCODING_MS_SYMBOL.
diff --git a/include/freetype.h b/include/freetype.h
index 15455c6..9f2c453 100644
--- a/include/freetype.h
+++ b/include/freetype.h
@@ -642,9 +642,12 @@ FT_BEGIN_HEADER
/* */
/* FT_ENCODING_MS_SYMBOL :: */
/* Corresponds to the Microsoft Symbol encoding, used to encode */
- /* mathematical symbols in the 32..255 character code range. For */
- /* more information, see */
- /* `http://www.kostis.net/charsets/symbol.htm'. */
+ /* mathematical symbols and wingdings. For more information, see */
+ /* `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 */
+ /* Area) in the range U+F020-U+F0FF. */
/* */
/* FT_ENCODING_SJIS :: */
/* Corresponds to Japanese SJIS encoding. More info at */