Update sdk-connection-string.md

Author: pizzaz93

articles/azure-monitor/app/sdk-connection-string.md

@@ -280,8 +280,8 @@ Get started at runtime with:
 
 Get started at development time with:
 
-* [ASP.NET](./asp-net.md)
-* [ASP.NET Core](./asp-net-core.md)
+* [.NET](./asp-net.md)
+* [.NETCore](./asp-net-core.md)
 * [Java](./java-in-process-agent.md)
 * [Node.js](./nodejs.md)
 * [Python](./opencensus-python.md)