diff --git a/web/ui_utils.js b/web/ui_utils.js
index 9ab1c739eb9aed..f2a30d3613bf2a 100644
--- a/web/ui_utils.js
+++ b/web/ui_utils.js
@@ -308,8 +308,8 @@ function approximateFraction(x) {
 }
 
 /**
- * @param {number} x A positive number to round to a multiple of `div`
- * @param {number} div A natural number
+ * @param {number} x - A positive number to round to a multiple of `div`.
+ * @param {number} div - A natural number.
  */
 function floorToDivide(x, div) {
   return x - (x % div);