Update upgrade-14.mdx

Author: sbvegan

pages/notices/upgrade-14.mdx

@@ -27,7 +27,7 @@ import { Steps, Callout } from 'nextra/components'
   *   Other Optimism governed chains' upgrades will be tracked in the release management project board.
 </Callout>
 
-This page outlines changes related to the Upgrade 14 network upgrade for chain operators, node operators, and users of OP Stack chains. The upgrade proposal is available [here](https://gov.optimism.io/t/upgrade-proposal-14-mt-cannon-and-isthmus-l1-contracts/10123) and the governance vote is available [here](https://vote.optimism.io/).
+This page outlines changes related to the Upgrade 14 network upgrade for chain operators, node operators, and users of OP Stack chains. The upgrade proposal is available [here](https://gov.optimism.io/t/upgrade-proposal-14-isthmus-l1-contracts-mt-cannon/9796) and the governance vote is available [here](https://vote.optimism.io/).
 
 If you experience difficulty at any stage of this process, please reach out to developer support.