diff --git a/core/res/res/values/attrs_manifest.xml b/core/res/res/values/attrs_manifest.xml
index 1a45b3ac75b3e..41c8a52a09b9f 100644
--- a/core/res/res/values/attrs_manifest.xml
+++ b/core/res/res/values/attrs_manifest.xml
@@ -2190,7 +2190,7 @@
         <attr name="name" />
     </declare-styleable>
 
-    <!-- Associate declared KeySets with upgrading capability -->
+    <!-- Associate declared KeySets with upgrading capability. -->
     <declare-styleable name="AndroidManifestUpgradeKeySet" parent="AndroidManifest">
       <attr name="name" />
     </declare-styleable>