diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 76f2e7bd97928..ec41dd7e52df3 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -1555,8 +1555,8 @@
     <string name="face_acquired_roll_too_extreme">Turn your head a little less.</string>
     <!-- Message shown during acquisition when the user's face is obscured [CHAR LIMIT=50] -->
     <string name="face_acquired_obscured">Remove anything hiding your face.</string>
-    <!-- Message shown during acquisition when the sensor is dirty [CHAR LIMIT=50] -->
-    <string name="face_acquired_sensor_dirty">Clean the sensor at the top edge of the screen.</string>
+    <!-- Message shown during acquisition when the sensor is dirty [CHAR LIMIT=100] -->
+    <string name="face_acquired_sensor_dirty">Clean the top of your screen, including the black bar</string>
     <!-- Array containing custom messages shown during face acquisition from vendor.  Vendor is expected to add and translate these strings -->
     <string-array name="face_acquired_vendor">
     </string-array>