diff --git a/content/docs/fossvr/index_camera_passthrough.md b/content/docs/fossvr/index_camera_passthrough.md
index 0d0f0ef..aa38db2 100644
--- a/content/docs/fossvr/index_camera_passthrough.md
+++ b/content/docs/fossvr/index_camera_passthrough.md
@@ -47,6 +47,7 @@ open_delay = "0s"
 ## how will the overlay be positioned.
 ## possible values:
 ##   - "Hmd":      stay in front of your Hmd
+##   - "Sticky":   will remain in place upon the location of activation
 ##   - "Absolute": fixed place in VR space
 mode = "Hmd"