1 files changed, 1 insertions, 1 deletions
diff --git a/tmux.h b/tmux.h
index 852203ee..61921ae2 100644
--- a/tmux.h
+++ b/tmux.h
@@ -527,7 +527,7 @@ struct mode_key_table {
 #define MODE_CURSOR 0x1
 #define MODE_INSERT 0x2
 #define MODE_KCURSOR 0x4
-#define MODE_KKEYPAD 0x8
+#define MODE_KKEYPAD 0x8	/* set = application, clear = number */
 #define MODE_MOUSE 0x10
 
 /*