Update changelog with correct PR number

Signed-off-by: Christian Wolf <[email protected]>

Author: christianlupus

CHANGELOG.md

@@ -8,7 +8,7 @@
 - Functionality to reference other recipes by id in description, tools, ingredients, and instructions
   [#562](https://github.com/nextcloud/cookbook/pull/562/) @seyfeb
 - Bundle Analyzer documentation
-  [#](https://github.com/nextcloud/cookbook/pull//) @seyfeb
+  [#573](https://github.com/nextcloud/cookbook/pull/573/) @seyfeb
 
 ### Changed
 - Using computed property in recipe view