diff --git a/Usage.md b/Usage.md
index 2b57617..c0494e4 100644
--- a/Usage.md
+++ b/Usage.md
@@ -6,7 +6,7 @@ Usage: moonlight [action] (options) [host]
  Actions
 
         pair                    Pair device with computer
-        unpair                  Unpair device with computer
+        unpair                  Unpair device with computer (not functional in current versions of GFE)
         stream                  Stream computer to device
         list                    List available games and applications
         quit                    Quit the application or game being streamed