diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 141dae0..9873690 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -38,6 +38,7 @@
 
     <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
 
+    <!--DEPRECATED. ONLY USAGES ARE FROM LAYOUTS OF EDIT ALARM ACTIVITY.-->
     <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
 
     <style name="AppTheme.TextOverlay" parent="ThemeOverlay.AppCompat.Dark"/>