Fix up 6.0 release notes docs reference

docs/releases/6.0.md

@@ -54,7 +54,7 @@ depth: 1
 
  * Document, for contributors, the use of translate string literals passed as arguments to tags and filters using `_()` within templates (Chiemezuo Akujobi)
  * Document all features for the Documents app in one location, see [](../advanced_topics/documents/index) (Neeraj Yetheendran)
- * Add section to [testing docs](../docs/advanced_topics/testing) about creating pages and working with page content (Mariana Bedran Lesche)
+ * Add section to [testing docs](../advanced_topics/testing) about creating pages and working with page content (Mariana Bedran Lesche)
  * Add more nuance to the database recommendations in [](performance_overview) (Jadesola Kareem)
 
 ### Maintenance