diff --git a/apax.yml b/apax.yml
index 0db224b..8574b6c 100644
--- a/apax.yml
+++ b/apax.yml
@@ -2,6 +2,8 @@ name: '@simatic-ax/mocks'
 version: 0.1.3
 author: Siemens AG
 type: lib
+# Description will be displayed in the apax extension
+description: This library contains a collection of mocks
 variables:
   APAX_BUILD_ARGS:
     - '--log Debug'