docs: fix typo

docs/content/docs/concepts/plugins.mdx

@@ -190,16 +190,14 @@ If you throw an `APIError` from the middleware or returned a `Response` object,
 
 Additional to middlewares you can also hook into right before a request is made and right after a response is returned. This is mostly useful if you wnat to do something that affects all requests or responses.
 
-### On Request
+#### On Request
 
 The `onRequest` function is called right before the request is made. It takes two parameters: the `request` and the `context` object. 
 
 Here’s how it works:
 
 - **Continue as Normal**: If you don't return anything, the request will proceed as usual.
-
 - **Interrupt the Request**: To stop the request and send a response, return an object with a `response` property that contains a `Response` object.
-
 - **Modify the Request**: You can also return a modified `request` object to change the request before it's sent.
 
 ```ts title="plugin.ts"
@@ -211,14 +209,13 @@ const myPlugin = {
 }
 ```
 
-### On Response
+#### On Response
 
 The `onResponse` function is executed immediately after a response is returned. It takes two parameters: the `response` and the `context` object.
 
 Here’s how to use it:
 
 - **Modify the Response**: You can return a modified response object to change the response before it is sent to the client.
-
 - **Continue Normally**: If you don’t return anything, the response will be sent as is.
 
 ```ts title="plugin.ts"
@@ -268,9 +265,7 @@ const myPlugin = {
 #### When to use Middelware, Hooks, On Request, On Response
 
 - **Middlewares**: You should use middlewares when you want to use a route matcher to target a group of routes. 
-
 - **Hooks**: You should use hooks when you want to target a specific route or request.
-
 - **On Request & On Response**: You should use on request and on response when you want to do something that affects all requests or responses.
 
 ### Rate Limit