diff --git a/config.json b/config.json
index 69bc6061..44425aca 100644
--- a/config.json
+++ b/config.json
@@ -5,6 +5,6 @@
         "repoOwner": "esciencecenter-digital-skills",
         "repoTag": "main",
         "organization": "Netherlands eScience Center",
-        "categoryOrder": ["Getting started", "Reusability", "Publishing & Citing", "Upcoming (under construction)"]
+        "categoryOrder": ["Getting started", "Reusability", "Publishing & Citing", "Development", "Upcoming (under construction)"]
     }
 }
\ No newline at end of file
diff --git a/modules/testing.md b/modules/testing.md
index cde52e66..f13ec9b9 100644
--- a/modules/testing.md
+++ b/modules/testing.md
@@ -1,7 +1,7 @@
 ---
 id: 9
 trl: medium
-category: Upcoming (under construction)
+category: Development
 title: Software testing
 abstract: Local testing of your software and using Continuous Integration and Continuous Deployment (CI/CD)
 author: eScience Center