Changelog - link to docs

Author: octref

CHANGELOG.md

@@ -13,7 +13,7 @@
 - Completing child component should trigger props with `:` by default. #2140.
 - Space should trigger completion only in HTML mode. #2139.
 - Self-closing `<PascalCase>` component should get highlighted like JSX/TSX. #2136
-- Cross file template type checking - check that components are passed all declared props. #2135.
+- [Cross file template type checking](https://vuejs.github.io/vetur/interpolation.html#prop-validation) - check that components are passed all declared props. #2135.
 - Linkify all vue/vue-router tags to their API doc. #2133.
 - Component Data - `type: 'boolean'` should trigger completion without `=""`. #2127.
 - Component Data doesn't work if it comes from devDependencies. #2132.