diff --git a/app/src/main/res/layout/fragment_grades.xml b/app/src/main/res/layout/fragment_grades.xml
index b9901c76e5..8ac03213a0 100644
--- a/app/src/main/res/layout/fragment_grades.xml
+++ b/app/src/main/res/layout/fragment_grades.xml
@@ -85,15 +85,29 @@
         android:background="@color/pop_up_background"
         android:padding="@dimen/material_default_padding">
 
-        <TextView
-            android:id="@+id/averageGradeTextView"
+        <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:textStyle="bold"
-            android:textColor="@color/text_light_blue"
-            android:textSize="@dimen/semilarge_text_size"
-            android:visibility="visible"
-            tools:text="Average grade: 1.0" />
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/averageGradeTextView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:textColor="@color/text_light_blue"
+                android:textSize="@dimen/semilarge_text_size"
+                android:textStyle="bold"
+                android:visibility="visible"
+                tools:text="Average grade: 1.0" />
+
+            <TextView
+                android:id="@+id/averageGradeHintTextView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:textColor="@color/text_light_blue"
+                android:visibility="visible"
+                android:text="@string/average_grade_hint"/>
+        </LinearLayout>
 
     </FrameLayout>
 
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 652f23ecfe..805c8bd0ea 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -46,6 +46,7 @@
 
     <!-- Exam/Grades -->
     <string name="average_grade">Durchschnittsnote</string>
+    <string name="average_grade_hint">Deinen offiziellen Schnitt findest Du in TUMOnline.</string>
     <string name="show_column_chart">Zeige als Balkendiagramm</string>
     <string name="show_pie_chart">Zeige als Tortendiagramm</string>
     <string name="result_extra">Ergebnis:&#160;</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 29e328501b..de03a6111b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -72,6 +72,7 @@
 
     <!-- Exam/Grades -->
     <string name="average_grade">Average grade</string>
+    <string name="average_grade_hint">Estimated average. Please refer to TUMOnline for the precise one.</string>
     <string name="show_column_chart">Show Column Chart</string>
     <string name="show_pie_chart">Show Pie Chart</string>
     <string name="result_extra">Result:&#160;</string>