diff --git a/TODO-RELEASE b/TODO-RELEASE
index 82368ff..964ffe1 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -35,3 +35,6 @@
 						mgcp_client_cancel()
 						mgcp_msg_gen()
 						mgcp_msg_trans_id()
+libosmo-mgcp-client	deprecate public API	New code should no longer use codecs[], instead use ptmap[].codec. There
+						is backwards compat code that moves codecs[] entries, if any, over to
+						ptmap[], so callers may migrate at own leisure.