diff --git a/Configuration.md b/Configuration.md
index cdbefb2..3324ba9 100644
--- a/Configuration.md
+++ b/Configuration.md
@@ -99,6 +99,7 @@ config = {
                                                   // 'back' is optimized for distanct faces.
       inputSize: 256,        // fixed value: 128 for front and 256 for 'back'
       rotation: false,       // use best-guess rotated face image or just box with rotation as-is
+                             // false means higher performance, but incorrect mesh mapping if face angle is above 20 degrees
       maxFaces: 10,          // maximum number of faces detected in the input
                              // should be set to the minimum number for performance
       skipFrames: 15,        // how many frames to go without re-running the face bounding box detector