Small typo fix (#695)

* Fix typo in handler documentation

* Fix typo in response validation documentation

Author: jourdevantalexy

docs/tutorial/getting-started/handler-and-context/index.md

@@ -41,7 +41,7 @@ new Elysia()
     .listen(3000)
 ```
 
-A handler can also be an literal value, see <DocLink href="/essential/handler">Handler</DocLink>
+A handler can also be a literal value, see <DocLink href="/essential/handler">Handler</DocLink>
 
 ```ts
 import { Elysia } from 'elysia'

docs/tutorial/getting-started/validation/index.md

@@ -96,7 +96,7 @@ See <DocLink href="/essential/validation#schema-type">Schema Type</DocLink> for
 ## Response Validation
 When you define a validation schema for `response`, Elysia will validate the response before sending it to the client, and type check the response for you.
 
-You can also specified which status code to validate:
+You can also specify which status code to validate:
 ```typescript
 import { Elysia, t } from 'elysia'