updating so comments appear on ref docs

types/custom-functions-runtime/index.d.ts

@@ -13,14 +13,14 @@ Copyright (c) Microsoft Corporation
 //////////////////// Begin custom-functions-runtime ////////////
 ////////////////////////////////////////////////////////////////
 
-/*
+/**
 * Enables you to map your own name that uses lowercase letters to a function.
 */
 declare let CustomFunctionMappings: { [key: string]: Function };
 
 declare namespace CustomFunctions {
     interface StreamingHandler<T> extends CancelableHandler {
-        /*
+        /**
         * Sets the returned result for a streaming custom function.
         * @beta
         */
@@ -28,7 +28,7 @@ declare namespace CustomFunctions {
     }
 
     interface CancelableHandler {
-        /*
+        /**
         * Handles what should occur when a custom function is canceled.
         * @beta
         */