Update how to check waiting.

website/docs/staking/5-add-validator.md

@@ -35,4 +35,9 @@ Click the `+ Validator` button.
 1. Input the stash account password in the *unlock account with password* field.
 2. Click the `Sign & Submit` button.
 
-Visit the [Waiting](https://wallet.xx.network/#/staking/waiting) tab of the Web Wallet and find your validator.
+
+## Wait to be Elected
+
+![](@site/static/img/staking-waiting.png)
+Visit the [Staking](https://wallet.xx.network/#/staking) tab of the Web Wallet.
+Select the `Own validators` and `Waiting` buttons to verify it is waiting to be elected.