diff --git a/website/common/locales/en/spells.json b/website/common/locales/en/spells.json
index 01f59e7826..c8e3d7d97e 100644
--- a/website/common/locales/en/spells.json
+++ b/website/common/locales/en/spells.json
@@ -75,5 +75,6 @@
   "challengeTasksNoCast": "Casting a skill on challenge tasks is not allowed.",
   "groupTasksNoCast": "Casting a skill on group tasks is not allowed.",
   "spellNotOwned": "You don't own this skill.",
-  "spellLevelTooHigh": "You must be level <%- level %> to use this skill."
+  "spellLevelTooHigh": "You must be level <%- level %> to use this skill.",
+  "spellAlreadyCast": "You've cast this skill already. It won't have any additional effect."
 }