docs: fix syntax errors (#2513)

fix syntax errors

Signed-off-by: wangzihao05 <wangzihao05@inspur.com>

Signed-off-by: wangzihao05 <wangzihao05@inspur.com>
Co-authored-by: Rita Zhang <rita.z.zhang@gmail.com>

docs/RELEASE.md

@@ -76,7 +76,7 @@ During the workflow, it will create the release manifests, promote the manifests
 	```
 
 1. Pushing the release tag will trigger GitHub Actions to trigger `tagged-release` job.
-This will build the `openpolicyagent/gatekeeper` image automatically, Then publish the new release image tag and the `latest` image tag to the `openpolicyagent/gatekeeper` repository. Finally, verify step will run e2e tests to verify the new released tag.
+This will build the `openpolicyagent/gatekeeper` image automatically, then publish the new release image tag and the `latest` image tag to the `openpolicyagent/gatekeeper` repository. Finally, verify step will run e2e tests to verify the newly released tag.
 
 ## Publishing