fixing toc url refresh issue

Author: davidchesnut

misc/SharePointReferenceToc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Menu xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" SupportedProduct="|SharePoint" SupportedVersion="|V1.0|">
-	<Item text="SharePoint Framework Reference" url="spdx" SEODescription="Reference documentation for the SharePoint Framework">
+	<Item text="SharePoint Framework Reference" url="spfx" SEODescription="Reference documentation for the SharePoint Framework">
 		<Item text="Overview" url="spfx/sharepoint-framework-reference-overview" SEODescription="Reference documentation for the SharePoint Framework"/>
 		<Item text="sp-application-base" url="spfx/sp-application-base-module" SEODescription="">
 			<Item text="Classes" url="spfx/sp-application-base" SEODescription="">