diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 634e209..fc5c2b5 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -46,7 +46,9 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:layout_weight="1"
-            android:text="%"/>
+            android:text="mod"
+            android:textAllCaps="false"
+            android:textSize="@dimen/mod_text_size"/>
 
         <Button
             android:id="@+id/btn_power"
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 7b074aa..2c7df1c 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -2,6 +2,7 @@
     <dimen name="activity_margin">16dp</dimen>
     <dimen name="result_padding">64dp</dimen>
     <dimen name="config_text_size">18sp</dimen>
+    <dimen name="mod_text_size">22sp</dimen>
     <dimen name="button_text_size">28sp</dimen>
     <dimen name="formula_text_size">20sp</dimen>
     <dimen name="display_text_size">40sp</dimen>