diff --git a/README.adoc b/README.adoc
index 20bd104..0a3ac4e 100644
--- a/README.adoc
+++ b/README.adoc
@@ -3862,6 +3862,8 @@ drmModeGetResources failed: Invalid argument
 failed to initialize legacy DRM
 ....
 
+Tested on: 2903771275372ccfecc2b025edbb0d04c4016930
+
 ==== libdri2
 
 TODO get working.