diff --git a/Xext/xace.h b/Xext/xace.h
index b9c81accf..db1dd750e 100644
--- a/Xext/xace.h
+++ b/Xext/xace.h
@@ -78,7 +78,7 @@ int XaceHookPropertyAccess(ClientPtr ptr, WindowPtr pWin, PropertyPtr *ppProp,
                            Mask access_mode);
 int XaceHookSelectionAccess(ClientPtr ptr, Selection ** ppSel, Mask access_mode);
 
-/* needs to be exported for in-tree modsetting, but not part of public API */
+/* needs to be exported for in-tree modesetting, but not part of public API */
 _X_EXPORT int XaceHookResourceAccess(ClientPtr client, XID id, RESTYPE rtype, void *res,
                            RESTYPE ptype, void *parent, Mask access_mode);