diff --git a/types/custom-functions-runtime/index.d.ts b/types/custom-functions-runtime/index.d.ts
index b031862efb..b20d38828e 100644
--- a/types/custom-functions-runtime/index.d.ts
+++ b/types/custom-functions-runtime/index.d.ts
@@ -9,13 +9,12 @@ office-js
 Copyright (c) Microsoft Corporation
 */
 
-
 ////////////////////////////////////////////////////////////////
 //////////////////// Begin custom-functions-runtime ////////////
 ////////////////////////////////////////////////////////////////
 
-/* 
-* Enables you to map your own name that uses lowercase letters to a function. 
+/*
+* Enables you to map your own name that uses lowercase letters to a function.
 */
 declare let CustomFunctionMappings: { [key: string]: Function };
 
@@ -37,7 +36,6 @@ declare namespace CustomFunctions {
     }
 }
 
-
 ////////////////////////////////////////////////////////////////
 //////////////////// End custom-functions-runtime ////////////
-////////////////////////////////////////////////////////////////
\ No newline at end of file
+////////////////////////////////////////////////////////////////