diff --git a/apps/docs/content/docs/en/quick-reference/index.mdx b/apps/docs/content/docs/en/quick-reference/index.mdx
index 2b1439a4c..1831918b8 100644
--- a/apps/docs/content/docs/en/quick-reference/index.mdx
+++ b/apps/docs/content/docs/en/quick-reference/index.mdx
@@ -180,6 +180,11 @@ A quick lookup for everyday actions in the Sim workflow editor. For keyboard sho
       <td>Right-click → **Enable/Disable**</td>
       <td><ActionImage src="/static/quick-reference/disable-block.png" alt="Disable block" /></td>
     </tr>
+    <tr>
+      <td>Lock/Unlock a block</td>
+      <td>Hover block → Click lock icon (Admin only)</td>
+      <td><ActionImage src="/static/quick-reference/lock-block.png" alt="Lock block" /></td>
+    </tr>
     <tr>
       <td>Toggle handle orientation</td>
       <td>Right-click → **Toggle Handles**</td>