spelling fixes
diff --git a/common/rfb/XF86keysym.h b/common/rfb/XF86keysym.h
index fd3af4f..ff3dd4f 100644
--- a/common/rfb/XF86keysym.h
+++ b/common/rfb/XF86keysym.h
@@ -136,7 +136,7 @@
 #define XF86XK_LogOff		0x1008FF61   /* Log off system              */
 #define XF86XK_Market		0x1008FF62   /* ??                          */
 #define XF86XK_Meeting		0x1008FF63   /* enter meeting in calendar   */
-#define XF86XK_MenuKB		0x1008FF65   /* distingush keyboard from PB */
+#define XF86XK_MenuKB		0x1008FF65   /* distinguish keyboard from PB */
 #define XF86XK_MenuPB		0x1008FF66   /* distinuish PB from keyboard */
 #define XF86XK_MySites		0x1008FF67   /* Favourites                  */
 #define XF86XK_New		0x1008FF68   /* New (folder, document...    */