Update 1-intro.md

Author: lauren-mills

docs/_docs/virtual-assistant/tutorials/create-assistant/csharp/1-intro.md

@@ -18,7 +18,6 @@ Install Bot Framework development prerequisites and create your first Virtual As
 - LUIS Authoring Key
     - Option 1: Use a LUIS starter key
         - Go to the LUIS portal for your desired region.
-        documentation page for more information. 
         - Once signed in, select your initials in the right-hand corner, then select **Settings**.
         - Under **Starter_Key**, copy the **Primary Key**.
     - Option 2: Provision a LUIS authoring resource in Azure
@@ -35,4 +34,4 @@ Install Bot Framework development prerequisites and create your first Virtual As
 20 minutes
 
 ### Scenario
-A Virtual Assistant app (in C#) that greets a new user and handles basic conversational intents.
+A Virtual Assistant app (in C#) that greets a new user and handles basic conversational intents.