diff --git a/lib/ansible/plugins/action/copy.py b/lib/ansible/plugins/action/copy.py
index 90b1c3a9011..355fed6d3aa 100644
--- a/lib/ansible/plugins/action/copy.py
+++ b/lib/ansible/plugins/action/copy.py
@@ -74,6 +74,7 @@ class ActionModule(ActionBase):
         # if we have first_available_file in our vars
         # look up the files and use the first one we find as src
         elif faf:
+            #FIXME: issue deprecation warning for first_available_file, use with_first_found or lookup('first_found',...) instead
             found = False
             for fn in faf:
                 fn_orig = fn