diff --git a/src/validation/__tests__/KnownDirectivesRule-test.ts b/src/validation/__tests__/KnownDirectivesRule-test.ts
index de7122bce1..7c91de4870 100644
--- a/src/validation/__tests__/KnownDirectivesRule-test.ts
+++ b/src/validation/__tests__/KnownDirectivesRule-test.ts
@@ -356,8 +356,8 @@ describe('Validate: Known directives', () => {
             query: MyQuery
           }
 
-          directive @myDirective(arg:String) on ARGUMENT_DEFINITION 
-          directive @myDirective2(arg:String @myDirective) on FIELD 
+          directive @myDirective(arg:String) on ARGUMENT_DEFINITION
+          directive @myDirective2(arg:String @myDirective) on FIELD
 
           extend schema @onSchema
         `,