Update installation.md

As per vuejs#1662 (comment)
motin · Sep 22, 2018 · 1f37c69 · 1f37c69
1 parent 5f18189
commit 1f37c69
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/docs/guide/installation.md b/docs/guide/installation.md
@@ -24,3 +24,7 @@ You can check you have the right version (3.x) with this command:
 ```bash
 vue --version
 ```
+
+# Upgrading generated projects
+
+Once a project is generated, bump everything to the latest version with npm update.