Docs: full Gitea URL in uses: examples; deploy key is required (was 'optional')

action.yml

@@ -7,7 +7,7 @@ description: "Package and publish a WordPress plugin/theme release to a Gitea re
 # Minimal usage:
 #   - uses: actions/checkout@v4
 #     with: { fetch-depth: 0 }
-#   - uses: wordpress/wp-release-ci@v1        # pin to a tag or SHA, not a branch
+#   - uses: https://gitea.mulligan.casa/wordpress/wp-release-ci@v1   # full Gitea URL (a bare owner/repo resolves from github); pin the ref
 #     with:
 #       channel_deploy_key: ${{ secrets.CHANNEL_DEPLOY_KEY }}
 #
@@ -16,7 +16,7 @@ description: "Package and publish a WordPress plugin/theme release to a Gitea re
 
 inputs:
   channel_deploy_key:
-    description: "SSH private key with WRITE access to the channel repo. Without it, the channel-publish step is skipped (Gitea release still cut)."
+    description: "SSH private key with WRITE access to the channel repo. Required — the channel publish hard-fails without it."
     required: true
   channel_ssh_port:
     description: "SSH port of the Gitea host for the channel push."