docs: fix customProperties example

Close #761

diff --git a/packages/docs/core-concepts/plugins.md b/packages/docs/core-concepts/plugins.md
index 91a034cea9615665c37e373ffbca6d0ac5364f1b..e5606a194ce69d3f2a903a202e7df3ab4508521e 100644 (file)
--- a/packages/docs/core-concepts/plugins.md
+++ b/packages/docs/core-concepts/plugins.md
@@ -78,7 +78,8 @@ pinia.use(({ store }) => {
   store.hello = 'world'
   // make sure your bundler handle this. webpack and vite should do it by default
   if (process.env.NODE_ENV === 'development') {
-    store._customProperties.add('secret')
+    // add any keys you set on the store
+    store._customProperties.add('hello')
   }
 })
 ```