diff --git a/plugins/onvif/README.md b/plugins/onvif/README.md
index 5e6960e8d..e5e091d6a 100644
--- a/plugins/onvif/README.md
+++ b/plugins/onvif/README.md
@@ -1,6 +1,7 @@
 # ONVIF Plugin for Scrypted
 
 Import ONVIF cameras into Scrypted.
+Cameras must support the ONVIF-T profile to receive motion events.
 
 # ONVIF NVR Notes