Merge "Clarify comment in gen_jarjar.py" am: 080974233c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2098175

Change-Id: I82e91ea43ef3a0e1c3a68fbe0e8d9a9295efbc6f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/tools/gen_jarjar.py b/tools/gen_jarjar.py
index 6fdf3f4..285bf6f 100755
--- a/tools/gen_jarjar.py
+++ b/tools/gen_jarjar.py
@@ -31,7 +31,9 @@
         '--jars', nargs='+',
         help='Path to pre-jarjar JAR. Can be followed by multiple space-separated paths.')
     parser.add_argument(
-        '--prefix', required=True, help='Package prefix to use for jarjared classes.')
+        '--prefix', required=True,
+        help='Package prefix to use for jarjared classes, '
+             'for example "com.android.connectivity" (does not end with a dot).')
     parser.add_argument(
         '--output', required=True, help='Path to output jarjar rules file.')
     parser.add_argument(