docs: fix --projectRoot type (#632)

mmerickel · thymikee · commit 2fb38f91f8f6 · 2019-08-14T09:02:49.000+02:00
diff --git a/docs/commands.md b/docs/commands.md
@@ -408,7 +408,7 @@ Starts the server that communicates with connected devices
 
 Specify port to listen on
 
-#### `--projectRoot [list]`
+#### `--projectRoot [path]`
 
 Path to a custom project root
 
