diff --git a/app/src/main/java/helium314/keyboard/settings/preferences/SwitchPreference.kt b/app/src/main/java/helium314/keyboard/settings/preferences/SwitchPreference.kt
index a34ea1b8..96bcc014 100644
--- a/app/src/main/java/helium314/keyboard/settings/preferences/SwitchPreference.kt
+++ b/app/src/main/java/helium314/keyboard/settings/preferences/SwitchPreference.kt
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-3.0-only
 package helium314.keyboard.settings.preferences
 
 import androidx.compose.material3.Switch