diff --git a/launcher/ui/widgets/ModFilterWidget.ui b/launcher/ui/widgets/ModFilterWidget.ui
index 604c35ef5..c4d921e96 100644
--- a/launcher/ui/widgets/ModFilterWidget.ui
+++ b/launcher/ui/widgets/ModFilterWidget.ui
@@ -191,7 +191,7 @@
        <item>
         <widget class="QCheckBox" name="openSource">
          <property name="text">
-          <string>Open Source only</string>
+          <string>Open source only</string>
          </property>
         </widget>
        </item>