docs: fix typo in readme

rishabhrpg · Rishabh Gusain · commit 804f8a89a6c3 · 2022-10-16T20:55:19.000+05:30
diff --git a/README.md b/README.md
@@ -254,7 +254,7 @@ import { classToClass } from 'class-transformer';
 let photo = classToClass(photo);
 ```
 
-You can also use an `ignoreDecorators` option in transformation options to ignore all decorators you classes is using.
+You can also use an `ignoreDecorators` option in transformation options to ignore all decorators your classes are using.
 
 ### serialize[⬆](#table-of-contents)
 
