diff --git a/res/values/strings.xml b/res/values/strings.xml
index 2a29f44f38d..57d56ad27f3 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -11092,4 +11092,7 @@
 
     <!-- Warn the user that the phone have emergency call limitation. [CHAR LIMIT=NONE] -->
     <string name="wfc_disclaimer_emergency_limitation_desc_text">Emergency calls over Wi\u2011Fi Calling are not supported by your carrier.\nThe device switches automatically to a cellular network to place an emergency call.\nEmergency calls are only possible in areas with cellular coverage.</string>
+
+    <!-- Summary for Wi-Fi calling to explain this feature [CHAR LIMIT=NONE] -->
+    <string name="wifi_calling_summary">Use Wi\u2011Fi for calls to improve quality</string>
 </resources>
diff --git a/res/xml/mobile_network_settings.xml b/res/xml/mobile_network_settings.xml
index 16484f38edc..1a9b88508f0 100644
--- a/res/xml/mobile_network_settings.xml
+++ b/res/xml/mobile_network_settings.xml
@@ -83,6 +83,7 @@
         <PreferenceScreen
             android:key="wifi_calling_key"
             android:title="@string/wifi_calling_settings_title"
+            android:summary="@string/wifi_calling_summary"
             settings:controller="com.android.settings.network.telephony.WifiCallingPreferenceController" >
             <intent android:action="android.intent.action.MAIN"
                     android:targetPackage="com.android.settings"
diff --git a/res/xml/mobile_network_settings_v2.xml b/res/xml/mobile_network_settings_v2.xml
index 6890a418187..cc377bdad27 100644
--- a/res/xml/mobile_network_settings_v2.xml
+++ b/res/xml/mobile_network_settings_v2.xml
@@ -123,6 +123,7 @@
             <PreferenceScreen
                 android:key="wifi_calling_key"
                 android:title="@string/wifi_calling_settings_title"
+                android:summary="@string/wifi_calling_summary"
                 settings:controller="com.android.settings.network.telephony.WifiCallingPreferenceController">
                 <intent android:action="android.intent.action.MAIN"
                         android:targetPackage="com.android.settings"