diff --git a/FAQ-Keymap.md b/FAQ-Keymap.md
index 909e356f6..4974cbc3a 100644
--- a/FAQ-Keymap.md
+++ b/FAQ-Keymap.md
@@ -214,4 +214,8 @@ const uint16_t PROGMEM fn_actions[] = {
 ```
 
 
-Dual-role key: https://en.wikipedia.org/wiki/Modifier_key#Dual-role_keys
\ No newline at end of file
+Dual-role key: https://en.wikipedia.org/wiki/Modifier_key#Dual-role_keys
+
+
+## Eject on Mac OSX
+It is actually F20, at least HHKB use it for Eject key(Fn+f).
\ No newline at end of file