Update packages/core/errors/messages.ts

packages/core/errors/messages.ts

@@ -172,11 +172,11 @@ export const INVALID_CLASS_SCOPE_MESSAGE = (
     name || 'This class'
   } is marked as a scoped provider. Request and transient-scoped providers can't be used in combination with "get()" method. Please, use "resolve()" instead.`;
 
-export const UNKNOWN_REQUEST_MAPPING = (metatypeWrongPlaced: Type) => {
-  const className = metatypeWrongPlaced.name;
+export const UNKNOWN_REQUEST_MAPPING = (metatype: Type) => {
+  const className = metatype.name;
   return className
-    ? `An invalid controller has been detected. "${className}" do not have the @Controller() decorator but it is being listed in the controllers array of some module.`
-    : `An invalid controller has been detected. Perhaps, one of your controllers is missing @Controller() decorator.`;
+    ? `An invalid controller has been detected. "${className}" does not have the @Controller() decorator but it is being listed in the "controllers" array of some module.`
+    : `An invalid controller has been detected. Perhaps, one of your controllers is missing the @Controller() decorator.`;
 };
 
 export const INVALID_MIDDLEWARE_CONFIGURATION = `An invalid middleware configuration has been passed inside the module 'configure()' method.`;