diff --git a/README.md b/README.md
index e0b837df..3b700970 100644
--- a/README.md
+++ b/README.md
@@ -171,6 +171,7 @@ Note that ***comment out*** to disable them.
     MOUSEKEY_ENABLE = yes       # Mouse keys(+4700)
     EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
     CONSOLE_ENABLE = yes        # Console for debug(+400)
+    COMMAND_ENABLE = yes        # Commands for debug and configuration
     SLEEP_LED_ENABLE = yes      # Breathing sleep LED during USB suspend
     #NKRO_ENABLE = yes          # USB Nkey Rollover - not yet supported in LUFA
     #PS2_MOUSE_ENABLE = yes     # PS/2 mouse(TrackPoint) support