diff --git a/pvmfw/TEST_MAPPING b/pvmfw/TEST_MAPPING
index e4a80dc..d77e651 100644
--- a/pvmfw/TEST_MAPPING
+++ b/pvmfw/TEST_MAPPING
@@ -1,3 +1,5 @@
+// When adding or removing tests here, don't forget to amend _all_modules list in
+// wireless/android/busytown/ath_config/configs/prod/avf/tests.gcl
 {
   "avf-presubmit" : [
     {
@@ -7,4 +9,4 @@
       "name" : "libpvmfw.bootargs.test"
     }
   ]
-}
\ No newline at end of file
+}