Releases: footprint, arg count

RELEASES.rst

@@ -2223,7 +2223,7 @@ Planned
   _Varmap in more cases when it is safe to do so (GH-1146); reduce initial
   bytecode allocation in Ecmascript compiler for low memory targets (GH-1146);
   packed arguments for some internal helper calls (GH-1158, GH-1172); misc
-  internal helpers to reduce call site size (GH-1166)
+  internal helpers to reduce call site size (GH-1166, GH-1173)
 
 * Internal change: rework shared internal string handling so that shared
   strings are plain string constants used in macro values, rather than