docs: Fix numbering (#343)

docs/tutorials/4 Request Handling.md

@@ -168,7 +168,7 @@ Furthermore, you can mix the direct and bundle requests in one UI5 application w
 ```
 With this declaration, all bindings assigned to the group `C` will trigger separate direct requests. Also, the submit of the changes with `this.getView().getModel().submitChanges("C");` will lead to multiple requests. The other bindings assigned to group `A` or `B` still send bundle requests.
 
-### Step 4.3: Pagination Requests
+### Step 4.4: Pagination Requests
 By default the pagination requests are preprocessed and a new url along with the necessary parameters is prepared before sending the request. However this behaviour can be customised depending on how the server handles pagination requests. For example if the next link request should be sent without any processing then the application can overwrite the following method to return the next link appropriately.
 This should happen in the Component.js of the application after the model is created but before the first next link is requested.
 ```javascript
@@ -188,4 +188,4 @@ sap.ui.define([
           }
     });
 });
-```
+```