hhkb: Revise doc

[max/tmk_keyboard.git] / tmk_core / doc / keymap.md

diff --git a/tmk_core/doc/keymap.md b/tmk_core/doc/keymap.md
index 30ee5f1802d2deafa8b4d9f2fc1f8c527435630a..1321e763b728b28d48bea23585e838da098beeac 100644 (file)
--- a/tmk_core/doc/keymap.md
+++ b/tmk_core/doc/keymap.md
@@ -569,6 +569,7 @@ This registers modifier key(s) simultaneously with layer switching.
 
     ACTION_LAYER_MODS(2, MOD_LSFT | MOD_LALT)
 
+You can combine four modifiers at most but cannot use both left and right modifiers at a time, either left or right modiiers only can be allowed.
 
 
 ## 4. Tapping