diff --git a/test/wcc/763_typeeq_fn_ast.c b/test/wcc/763_typeeq_fn_ast.c
index b922a94a..61f8a14b 100644
--- a/test/wcc/763_typeeq_fn_ast.c
+++ b/test/wcc/763_typeeq_fn_ast.c
@@ -41,9 +41,12 @@
  * tag CMPQ because wwstage's cgmatch gates the case-pattern flatvariant
  * lookup on `pat.kind == nkind.N_TNAME` (selfhost/cmd/wcc/cgenexpr.ww:
  * 1512) — N_TPTR(N_TFN) case patterns short-circuit to tag 0. That is
- * a SIBLING cgen-side bug (filed alongside this fold per the brief's
- * "do not sweep" instruction) and orthogonal to the AST-layer
- * typeeqast equality this fold ratifies. The pre/post-fix asymmetry
+ * project #179 (cgmatch flatvariantidx N_TNAME-only gate), a SIBLING
+ * cgen-side bug filed alongside this fold per the brief's "do not
+ * sweep" instruction, and orthogonal to the AST-layer typeeqast
+ * equality this fold ratifies. Runtime is fortuitously OK because
+ * the bare `let v: t;` zero-inits tag 0, masking the wrong-tag-load
+ * the .s divergence would otherwise produce. The pre/post-fix asymmetry
  * THIS PROBE locks is the wwstage CHECKER outcome: pre-fix master
  * red-errors the program (4× errbadcase + match-not-handled); post-
  * fix it compiles to a runnable binary. The runtime exit-code arm