docs: correct AsyncApi class decorator documentation

Author: AlecMMiller

README.md

@@ -57,7 +57,7 @@ async function bootstrap() {
 
 AsyncApi module explores `Controllers` & `WebSocketGateway` by default.
 In most cases you won't need to add extra annotation,
-but if you need to define asyncApi operations in a class that's not a controller or gateway use `AsyncApiClass`
+but if you need to define asyncApi operations in a class that's not a controller or gateway use the `AsyncApi` class
 decorator.
 
 Mark pub/sub methods via `AsyncApiPub` or `AsyncApiSub` decorators<br/>
@@ -96,4 +96,4 @@ class DemoController {
 For more detailed examples please check out https://github.com/flamewow/nestjs-asyncapi/tree/main/sample sample app.
 
 <h5>Do you use this library and like it? Don't be shy to give it a star
-on <a href="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/flamewow/nestjs-asyncapi">github <span style="color:yellow;">★</span></a></h3>
+on <a href="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/flamewow/nestjs-asyncapi">github <span style="color:yellow;">★</span></a></h3>