1 files changed, 2 insertions, 1 deletions

diff --git a/src/fontset.h b/src/fontset.h
index 5c70eddecdc..0fe186d0ff7 100644
--- a/src/fontset.h
+++ b/src/fontset.h
@@ -43,7 +43,8 @@ struct font_info
   /* Full name of the font given by a window system.  */
   char *full_name;
 
-  /* Charset of characters displayed by the font.  */
+  /* Charset to encode a character code into a glyph code of the
+     font.  */
   int charset;
 
 #ifdef WINDOWSNT