move f# to root folder (#647)

docs/fsharp/index.md

@@ -1,6 +1,6 @@
 ---
-title: Learn F
-description: Learn F
+title: Learn F# 
+description: Learn F# 
 keywords: .NET, .NET Core
 author: jackfoxy
 manager: wpickett
@@ -12,7 +12,7 @@ ms.devlang: dotnet
 ms.assetid: ea27fb37-dad1-4bd4-a3cc-4f5c70767ae9
 ---
 
-# Learn F# # 
+# Learn F# 
 
 * [F# Learning Resources](http://fsharp.org/learn.html)
 * [F# Language Reference](https://msdn.microsoft.com/en-us/visualfsharpdocs/conceptual/fsharp-language-reference)

docs/toc.md

@@ -50,7 +50,11 @@ to know what's next -->
 ### [🔧 Documenting your code](csharp/codedoc.md) 
 ## [🔧 Syntax Reference](csharp/syntax.md)
 
-# [Learn F#](languages/fsharp/index.md)
+<!-- Note to self: update languages/csharp/index.md to match this file
+    once this is approved.  -->
+
+<!-- marker for the end of edits -->
+# [F# Guide](fsharp/index.md)
 ## [F# Learning Resources](http://fsharp.org/learn.html)
 ## [F# Language Reference](https://msdn.microsoft.com/en-us/visualfsharpdocs/conceptual/fsharp-language-reference)
 ## [Visual F# Development Portal](https://msdn.microsoft.com/en-us/visualfsharpdocs/conceptual/visual-fsharp-development-portal)