diff --git a/calendar/i18n/sl/translation.json b/calendar/i18n/sl/translation.json
index 4dde9f76..b273701c 100644
--- a/calendar/i18n/sl/translation.json
+++ b/calendar/i18n/sl/translation.json
@@ -20,7 +20,7 @@
     "Wed": "Sre",
     "ending point of event": "končna točka dogodka",
     "Thu": "Čet",
-    "is event all day long": "je dogodek ves dan?",
+    "is event all day long": "je celodnevni dogodek?",
     "week": "teden",
     "Save": "Shrani",
     "Delete": "Izbriši",