diff --git a/source/_components/dlib_face_identify.markdown b/source/_components/dlib_face_identify.markdown
index 1a496513195..3efb0ac8179 100644
--- a/source/_components/dlib_face_identify.markdown
+++ b/source/_components/dlib_face_identify.markdown
@@ -50,6 +50,11 @@ faces:
   description: List of faces sources.
   required: true
   type: list
+confidence:
+  description: How much distance between faces to consider it a match. Using tolerance values lower than 0.6 will make the comparison more strict.
+  required: false
+  type: float
+  default: 0.6
 {% endconfiguration %}
 
 <p class='note'>