diff --git a/res/values/strings.xml b/res/values/strings.xml
index f0d41b51c19..50eb3c8778b 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2487,6 +2487,8 @@
     <string name="auto_brightness_very_high_summary">Increased battery usage</string>
     <!-- Adaptive brightness settings screen, disclaimer that explains in more detail about how adaptive brightness works [CHAR LIMIT=150] -->
     <string name="auto_brightness_disclaimer">Optimize brightness level for available light. When this feature is on, you can still adjust brightness temporarily.</string>
+    <!-- Description about the feature adaptive brightness -->
+    <string name="auto_brightness_description">Your screen brightness will automatically adjust to your environment and activities. You can move the slider manually to help adaptive brightness learn your preferences.</string>
 
     <!-- Night display screen, setting option name to enable night display (renamed "Night Light" with title caps). [CHAR LIMIT=30] -->
     <string name="night_display_title">Night Light</string>