diff --git a/Lesson10-Hydration-Reminder/T10.02-Exercise-CreateNotification/app/src/main/res/values/strings.xml b/Lesson10-Hydration-Reminder/T10.02-Exercise-CreateNotification/app/src/main/res/values/strings.xml
index 0ba43796093..7ca18a5208e 100644
--- a/Lesson10-Hydration-Reminder/T10.02-Exercise-CreateNotification/app/src/main/res/values/strings.xml
+++ b/Lesson10-Hydration-Reminder/T10.02-Exercise-CreateNotification/app/src/main/res/values/strings.xml
@@ -22,5 +22,5 @@
 
     <string name="charging_reminder_notification_title">Device Charging - Where\'s that water?</string>
     <string name="charging_reminder_notification_body">There\'s never a better time to drink water than when you know your phone is charging. Drink up!</string>
-
+    <string name="main_notification_channel_name">Primary</string>
 </resources>