diff --git a/UI/frontend-plugins/frontend-tools/data/locale/en-US.ini b/UI/frontend-plugins/frontend-tools/data/locale/en-US.ini
index 72db531f1..daf4b319e 100644
--- a/UI/frontend-plugins/frontend-tools/data/locale/en-US.ini
+++ b/UI/frontend-plugins/frontend-tools/data/locale/en-US.ini
@@ -12,7 +12,7 @@ Start="Start"
 Stop="Stop"
 
 Captions="Captions (Experimental)"
-Captions.AudioSource="Audio source:"
+Captions.AudioSource="Audio source"
 Captions.CurrentSystemLanguage="Current System Language (%1)"
 
 OutputTimer="Output Timer"