diff --git a/tests/functional/setup.yml b/tests/functional/setup.yml
index 7062ac5cf..881da2797 100644
--- a/tests/functional/setup.yml
+++ b/tests/functional/setup.yml
@@ -14,6 +14,8 @@
       set_fact:
         is_atomic: '{{ stat_ostree.stat.exists }}'
 
+      # we need to install this so the Socket testinfra module
+      # can use netcat for testing
     - name: install net-tools
       package:
         name: net-tools