@@ -111,7 +111,7 @@ Note: if you face this error [#2351](https://github.com/Microsoft/visualfsharp/i
111111
112112Or hard crash on launch ("Unknown Error"), delete these folders:
113113
114- * ` %localappdata%\Microsoft\VisualStudio\15.0_(some number here)FSharpDev `
114+ * ` %localappdata%\Microsoft\VisualStudio\15.0_(some number here)RoslynDev `
115115* ` %localappdata%\Microsoft\VisualStudio\15.0_(some number here) `
116116
117117####[ Optional] Install the Visual F# IDE Tools (Windows Only)
@@ -138,9 +138,14 @@ Restart Visual Studio, it should now be running your freshly-built Visual F# IDE
138138
139139####[ Optional] F5 testing of local changes
140140
141- To test your changes locally_ without_ overwriting your default installed F# tools, set the` VisualFSharp\Vsix\VisualFSharpOpenSource `
142- project as the startup project. When you hit F5 a new instance of Visual Studio will be started in the` FSharpDev ` hive with your
143- changes, but the root (default) hive will remain untouched.
141+ To test your changes locally_ without_ overwriting your default installed Visual F# tools, set the` VisualFSharp\Vsix\VisualFSharpOpenSource `
142+ project as the startup project. When you hit F5 a new instance of Visual Studio will be started in the` RoslynDev ` hive with your
143+ changes, but the root (default) hive will remain untouched. You can also start this hive automatically using
144+
145+ devenv.exe /rootsuffix:RoslynDev
146+
147+ Because this uses the "RoslynDev" hive you can simultaneously test changes to an appropriate build of Roslyn binaries.
148+
144149
145150####[ Optional] Rapid deployment of incremental changes to Visual F# IDE Tools components
146151