Update index.mdx (#1500)

Fixed a spelling mistake for data/date

Author: chuysmans

content/vault/v1.21.x/content/docs/license/index.mdx

@@ -41,11 +41,11 @@ starts, restarts, unseals with the following results:
 License type | License state | Vault build date   | Vault startup
 ------------ | ------------- | ------------------ | -------------
 Any          | Valid         | N/A                | Succeeds
-Any          | Expired       | Before expiry data | Succeeds
-Any          | Expired       | After expiry data  | Fails
+Any          | Expired       | Before expiry date | Succeeds
+Any          | Expired       | After expiry date  | Fails
 Evaluation   | Terminated    | N/A                | Fails
-Standard     | Terminated    | Before expiry data | Succeeds
-Standard     | Terminated    | After expiry data  | Fails
+Standard     | Terminated    | Before expiry date | Succeeds
+Standard     | Terminated    | After expiry date  | Fails
 
 
 <Tip title="Applying security upgrades with an expired license">