docs: note about new props when using props: true (#974)

* Clarify props must match param names

* added comment to code example

* Update docs/guide/essentials/passing-props.md

Co-authored-by: Eduardo San Martin Morote <posva@users.noreply.github.com>

diff --git a/docs/guide/essentials/passing-props.md b/docs/guide/essentials/passing-props.md
index 108a7a47471bb91fa19530d26ba47f71e8dc745f..e1d9a584a7b3e8532e7b6dc6b19e5d107d5b355d 100644 (file)
--- a/docs/guide/essentials/passing-props.md
+++ b/docs/guide/essentials/passing-props.md
@@ -15,6 +15,7 @@ with
 
 ```js
 const User = {
+  // make sure to add a prop named exactly like the route param
   props: ['id'],
   template: '<div>User {{ id }}</div>'
 }