Merge pull request #2219 from abadire/exception-filters-typo

docs(exception-filters): fix typo

Author: kamilmysliwiec

content/exception-filters.md

@@ -358,7 +358,7 @@ The above implementation is just a shell demonstrating the approach. Your implem
 
 Global filters **can** extend the base filter. This can be done in either of two ways.
 
-The first method is to inject the `HttpServer` reference when instantiating the custom global filter:
+The first method is to inject the `HttpAdapter` reference when instantiating the custom global filter:
 
 ```typescript
 async function bootstrap() {