Index: /trunk/tools/bin/backport-common.sh
===================================================================
--- /trunk/tools/bin/backport-common.sh	(revision 84267)
+++ /trunk/tools/bin/backport-common.sh	(revision 84268)
@@ -163,4 +163,6 @@
             echo "  --branch <ver>"
             echo "    The name of the branch being backported to. default: auto"
+            echo "  --debug"
+            echo "    Enables verbose output."
             echo "  --first-rev, --first, -1"
             echo "    Merge only: Check that the branch does not have any pending changes."