diff --git a/config.js b/config.js
index cb706d7..c94ac4b 100644
--- a/config.js
+++ b/config.js
@@ -20,7 +20,7 @@ export const PATH_TRACES_WIDTH = 1.5;
 export const PATH_TRACES_DASHED_OPACITY = 1.0;
 
 // PANNING
-export const PANNING_ZERO_TOUCH_THRESHOLD = 200;
+export const PANNING_ZERO_TOUCH_THRESHOLD = 200; // Milliseconds
 
 // SIZES
 export const POINTER_HISTORY_SIZE = 20;