diff --git a/docs/docs/configuration/reference.md b/docs/docs/configuration/reference.md
index ab33bb6cf..4162d3d14 100644
--- a/docs/docs/configuration/reference.md
+++ b/docs/docs/configuration/reference.md
@@ -614,7 +614,7 @@ face_recognition:
   model_size: small
   # Optional: Target a specific device to run the model (default: None)
   # NOTE: See https://onnxruntime.ai/docs/execution-providers/ for more information
-  #device: 
+  device: None
 
 # Optional: Configuration for license plate recognition capability
 # NOTE: enabled, min_area, and enhancement can be overridden at the camera level