diff --git a/src/js/modification.js b/src/js/modification.js
index 5e56cd04709a1fec27248a2e2e85cb85613222b3..0af10cfc5ff95c7a9d3a212d7997118fa62a81ca 100644
--- a/src/js/modification.js
+++ b/src/js/modification.js
@@ -4,6 +4,7 @@ App.Medicine.Modification = {};
  * @param {App.Entity.SlaveState} slave
  * @param {string} scar
  *  @param {string} design
+ *  @param {string} weight
  */
 App.Medicine.Modification.addScar = function(slave, scar, design, weight) {
 	/* const V = State.variables;