diff --git a/DEVGUIDE.md b/DEVGUIDE.md
index c551c90af2b..a8d24bcebc5 100644
--- a/DEVGUIDE.md
+++ b/DEVGUIDE.md
@@ -323,6 +323,7 @@ Then, use the **f5** or **ctrl+f5** keyboard shortcuts to test your tooling chan
 Alternatively, you can do this entirely via the command line if you prefer that:
 
 ```shell
+Build.cmd -c Release -deployExtensions
 devenv.exe /rootsuffix RoslynDev
 ```