Merge pull request #2227 from MightyPrinny/patch-4

Updated c_sharp_basics.rst

getting_started/scripting/c_sharp/c_sharp_basics.rst

@@ -45,6 +45,7 @@ C# in Godot. If you don't plan on using the Visual Studio IDE,
 you can download just the
 `Visual Studio Build Tools <https://visualstudio.microsoft.com/thank-you-downloading-visual-studio/?sku=BuildTools&rel=15>`_
 instead.
+Make sure you at least have the .NET Framework 4.5 targeting pack installed, you can get it using any of the installers mentioned above inside the "Individual components" tab.
 
 macOS and Linux
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