diff --git a/lib/prepare_release.js b/lib/prepare_release.js
index 2342363..75e6f97 100644
--- a/lib/prepare_release.js
+++ b/lib/prepare_release.js
@@ -368,7 +368,7 @@ class ReleasePreparation {
     } = this;
 
     const releaseInfo = isLTS ? `'${ltsCodename}' (LTS)` : '(Current)';
-    const messageTitle = `${date} Version ${newVersion} ${releaseInfo}`;
+    const messageTitle = `${date}, Version ${newVersion} ${releaseInfo}`;
 
     const messageBody = [];
     if (isSecurityRelease) {