Update README.md

ryyppy · web-flow · commit 7a4a26e7ac42 · 2020-09-24T17:41:55.000+02:00
diff --git a/README.md b/README.md
@@ -10,7 +10,9 @@ is currently **work in progress**.
 ## Setup
 
 ```sh
+# For first time clone / build
 yarn
+yarn run update-index
 
 # Initial build
 yarn bs:build
