diff --git a/METADATA.md b/METADATA.md
index 1ac4cef7..44de98f6 100644
--- a/METADATA.md
+++ b/METADATA.md
@@ -17,7 +17,7 @@ Required:
 
 Optional:
 
-* Mirrors 
+* Mirrors (unimplemented)
 
 There may also be any number of delegated target roles.