Update website/content/docs/release-notes/consul/v1_15_x.mdx

Co-authored-by: Tu Nguyen <im2nguyen@users.noreply.github.com>

website/content/docs/release-notes/consul/v1_15_x.mdx

@@ -36,7 +36,7 @@ Refer to [Service-to-service troubleshooting overview](/consul/docs/troubleshoot
 
   - The Read Token/Policy/Role endpoints now return 404 when the resource cannot be found.
     - The new error format is as follows: `Cannot find * to delete`
-  - The Logout endpoint now returns a 401 error when the supplied token cannot be found
+  - The Logout endpoint now returns a 401 error when the supplied token cannot be found.
     - The new error format is as follows: `Supplied token does not exist`
   - The Token Self endpoint now returns 404 when the token cannot be found.
     - The new error format is as follows: `Supplied token does not exist`