Merge pull request #2760 from replicatedhq/AmberAlston-patch-1

Update kURL to clarify version expectation

Author: AmberAlston

docs/vendor/testing-supported-clusters.md

@@ -267,7 +267,7 @@ Compatibility Matrix supports creating [kURL](https://kurl.sh) clusters.
   </tr>
   <tr>
     <th>Supported kURL Versions</th>
-    <td>Any kURL installer ID. For more information, see <a href="/vendor/packaging-embedded-kubernetes">Creating a kURL installer</a>.</td>
+    <td>Any promoted kURL installer. For an installer version other than "latest", you can find the ID for previously promoted installers on the **Channels > kURL Installer History** page in the Vendor Portal. For more information about viewing the history of kURL installers promoted to a channel, see [Installer History](/vendor/installer-history).</td>
   </tr>
   <tr>
     <th>Supported Instance Types</th>