diff --git a/plugins/modules/controller_export_diff.py b/plugins/modules/controller_export_diff.py
index 4b60ff0f1..4150267ef 100644
--- a/plugins/modules/controller_export_diff.py
+++ b/plugins/modules/controller_export_diff.py
@@ -151,6 +151,7 @@
       description:
       - Specify the timeout Ansible should use in requests to the controller host.
       - Defaults to 10s, but this is handled by the shared module_utils code
+      - This option requires awx.awx>=22.7.0 or equivalent ansible.controller collection
       type: float
       version_added: "2.6.0"
     controller_config_file: