diff --git a/algebra/deprecated.v b/algebra/deprecated.v
index fe84abfd298e563dd7777a459d371581ff068457..d13f5d786d40e24125b80d63510ef046355b5244 100644
--- a/algebra/deprecated.v
+++ b/algebra/deprecated.v
@@ -3,4 +3,4 @@ From iris.algebra Require Import ofe.
 (* Old notation for backwards compatibility. *)
 
 (* Deprecated 2016-11-22. Use ofeT instead. *)
-Notation cofeT := ofeT.
+Notation cofeT := ofeT (only parsing).