diff --git a/bin/zfs-autobackup b/bin/zfs-autobackup
index 4435af2..da98652 100755
--- a/bin/zfs-autobackup
+++ b/bin/zfs-autobackup
@@ -1554,8 +1554,8 @@ class ZfsAutobackup:
         parser.add_argument('--keep-source', type=str, default="10,1d1w,1w1m,1m1y", help='Thinning schedule for old source snapshots. Default: %(default)s')
         parser.add_argument('--keep-target', type=str, default="10,1d1w,1w1m,1m1y", help='Thinning schedule for old target snapshots. Default: %(default)s')
 
-        parser.add_argument('backup_name',    help='Name of the backup (you should set the zfs property "autobackup:backup-name" to true on filesystems you want to backup')
-        parser.add_argument('target_path', default=None, nargs='?',  help='Target ZFS filesystem (optional: if not specified, zfs-autobackup will only operate as snapshot-tool on source)')
+        parser.add_argument('backup_name', metavar='backup-name',    help='Name of the backup (you should set the zfs property "autobackup:backup-name" to true on filesystems you want to backup')
+        parser.add_argument('target_path', metavar='target-path', default=None, nargs='?',  help='Target ZFS filesystem (optional: if not specified, zfs-autobackup will only operate as snapshot-tool on source)')
 
         parser.add_argument('--other-snapshots', action='store_true', help='Send over other snapshots as well, not just the ones created by this tool.')
         parser.add_argument('--no-snapshot', action='store_true', help='Don\'t create new snapshots (useful for finishing uncompleted backups, or cleanups)')
@@ -1727,12 +1727,12 @@ class ZfsAutobackup:
             description="[Source]"
             source_thinner=Thinner(self.args.keep_source)
             source_node=ZfsNode(self.args.backup_name, self, ssh_config=self.args.ssh_config, ssh_to=self.args.ssh_source, readonly=self.args.test, debug_output=self.args.debug_output, description=description, thinner=source_thinner)
-            source_node.verbose("Send all datasets that have 'autobackup:{}=true' or 'autobackup:{}=child'".format(self.args.backup_name, self.args.backup_name))
+            source_node.verbose("Selects all datasets that have property 'autobackup:{}=true' (or childs of datasets that have 'autobackup:{}=child')".format(self.args.backup_name, self.args.backup_name))
 
             self.set_title("Selecting")
             selected_source_datasets=source_node.selected_datasets
             if not selected_source_datasets:
-                self.error("No source filesystems selected, please do a 'zfs set autobackup:{0}=true' on the source datasets you want to backup.".format(self.args.backup_name))
+                self.error("No source filesystems selected, please do a 'zfs set autobackup:{0}=true' on the source datasets you want to select.".format(self.args.backup_name))
                 return(255)
 
             source_datasets=[]
diff --git a/test_regressions.py b/test_regressions.py
new file mode 100644
index 0000000..d33ce09
--- /dev/null
+++ b/test_regressions.py
@@ -0,0 +1,20 @@
+
+from basetest import *
+
+
+class TestZfsNode(unittest2.TestCase):
+
+    def setUp(self):
+        prepare_zpools()
+        self.longMessage=True
+
+    # #resume initial backup
+    # def test_keepsource0(self):
+        
+    #     #somehow only specifying --allow-empty --keep-source 0 failed:
+    #     with patch('time.strftime', return_value="20101111000000"):
+    #         self.assertFalse(ZfsAutobackup("test test_target1 --verbose --allow-empty --keep-source 0".split(" ")).run())
+
+    #     with patch('time.strftime', return_value="20101111000001"):
+    #         self.assertFalse(ZfsAutobackup("test test_target1 --verbose --allow-empty --keep-source 0".split(" ")).run())
+