diff --git a/js/angular/directive/radio.js b/js/angular/directive/radio.js
index 25e0302859..7b4e24c76c 100644
--- a/js/angular/directive/radio.js
+++ b/js/angular/directive/radio.js
@@ -19,6 +19,7 @@
  * @param {string=} name The name of the radio input.
  * @param {expression=} value The value of the radio input.
  * @param {boolean=} disabled The state of the radio input.
+ * @param {string=} icon The icon to use when the radio input is selected.
  * @param {expression=} ng-value Angular equivalent of the value attribute.
  * @param {expression=} ng-model The angular model for the radio input.
  * @param {boolean=} ng-disabled Angular equivalent of the disabled attribute.