small updates

Author: jansenbe

docs/sp-add-ins/using-csom-for-dotnet-standard.md

@@ -23,7 +23,7 @@ Below table outlines the differences between both versions and provides guidelin
 
 CSOM feature | .NET Framework version | .NET Standard version | Guidelines
 -------------|------------------------|-----------------------|------------
-.NET supportability | .NET Framework 4.5+ | .NET Framework 4.6.1+, .NET Core 2.0+, Mono 5.4+ (see https://docs.microsoft.com/dotnet/standard/net-standard) | It's recommended to use the CSOM for .NET Standard version for all your SharePoint Online CSOM developments
+.NET supportability | .NET Framework 4.5+ | .NET Framework 4.6.1+, .NET Core 2.0+, Mono 5.4+ ([.NET docs](https://docs.microsoft.com/dotnet/standard/net-standard)) | It's recommended to use the CSOM for .NET Standard version for all your SharePoint Online CSOM developments
 Cross platform | No | Yes (can be used on any platform that support .NET Standard) | For cross platform you have to use CSOM for .NET Standard
 On-Premises SharePoint support | Yes | No | The CSOM .NET Framework versions are still fully supported and being updated, so use those for on-premises SharePoint development
 Support for legacy authentication flows (so called cookie based auth using the `SharePointOnlineCredentials` class) | Yes | No | See the **Using modern authentication with CSOM for .NET Standard** chapter. Using Azure AD applications to configure authentication for SharePoint Online is the recommended approach

docs/toc.yml

@@ -1861,9 +1861,10 @@
   items:
   - name: Overview
     href: sp-add-ins/sharepoint-net-server-csom-jsom-and-rest-api-index.md
-  - name: "Complete basic operations: CSOM"
-    href: sp-add-ins/complete-basic-operations-using-sharepoint-client-library-code.md
+  - name: SharePoint CSOM API
     items:
+    - name: Complete basic operations
+      href: sp-add-ins/complete-basic-operations-using-sharepoint-client-library-code.md
     - name: Using CSOM for .NET Standard
       href: sp-add-ins/using-csom-for-dotnet-standard.md
   - name: "Complete basic operations: JSOM"