diff --git a/FAQ.md b/FAQ.md
index 9e00673ee1..47fe0e542f 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -2730,7 +2730,7 @@ You can select one of these actions to apply to matching messages:
 * Mark as unread
 * Hide
 * Suppress notification
-* Silent notification
+* Silent notification (since version 1.2150)
 * Snooze
 * Add star
 * Set importance (local priority)
diff --git a/index.html b/index.html
index 7262f027ae..c72cacc9a8 100644
--- a/index.html
+++ b/index.html
@@ -1443,7 +1443,7 @@ X-Google-Original-From: Somebody &lt;somebody+extra@example.org&gt;</code></pre>
 <li>Mark as unread</li>
 <li>Hide</li>
 <li>Suppress notification</li>
-<li>Silent notification</li>
+<li>Silent notification (since version 1.2150)</li>
 <li>Snooze</li>
 <li>Add star</li>
 <li>Set importance (local priority)</li>