(DOCS-15262): fix version mismatch on v5.3 release notes (#988)

jeff-allen-mongo · jeff-allen-mongo · commit f0655a9e2499 · 2022-04-20T15:33:52.000-04:00
diff --git a/source/release-notes/5.3.txt b/source/release-notes/5.3.txt
@@ -12,6 +12,8 @@ Release Notes for MongoDB 5.3
    :depth: 1
    :class: twocols
 
+.. |version| replace:: 5.3
+
 .. include:: /includes/rapid-release-short.rst
 
 Patch Releases
