doc: add missing YAML tag in esm.md

aduh95 · Linkgoron · commit 58946bce611f · 2022-01-31T11:11:56.000+02:00
Refs: nodejs#41434 PR-URL: nodejs#41516 Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
diff --git a/doc/api/esm.md b/doc/api/esm.md
@@ -591,7 +591,7 @@ would provide the exports interface for the instantiation of `module.wasm`.
 
 ## Top-level `await`
 
-<!--
+<!-- YAML
 added: v14.8.0
 -->
 
