Merge "CDD: Clarify that when we require the new v2 signing, it doesn't remove      the jar signing support.            JAR signing has been always supported and from Android N onwards,      APK Signature Scheme v2 support was added. So requiring support      for both." into nougat-mr1-dev
diff --git a/4_application-packaging/4_0_intro.md b/4_application-packaging/4_0_intro.md
index 6edd734..2fe2d2f 100644
--- a/4_application-packaging/4_0_intro.md
+++ b/4_application-packaging/4_0_intro.md
@@ -6,7 +6,8 @@
 package management system.
 
 The package manager MUST support verifying “.apk” files using the
-[APK Signature Scheme v2](https://source.android.com/security/apksigning/v2.html).
+[APK Signature Scheme v2](https://source.android.com/security/apksigning/v2.html)
+and [JAR signing](https://source.android.com/security/apksigning/v2.html#v1-verification).
 
 Devices implementations MUST NOT extend either the
 [.apk](http://developer.android.com/guide/components/fundamentals.html),