diff --git a/scripts/cloud-config-to-vendor-data b/scripts/cloud-config-to-vendor-data
index 65f6065..34b149a 100755
--- a/scripts/cloud-config-to-vendor-data
+++ b/scripts/cloud-config-to-vendor-data
@@ -11,12 +11,21 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import sys
+import argparse
 import json
+import sys
 import yaml
 
+parser = argparse.ArgumentParser(
+    description='Convert a multi-line cloud-config into static vendor data '
+                'format\n: {"cloud-init": <single-line cloud-config>}',
+    formatter_class=argparse.RawTextHelpFormatter
+)
+parser.add_argument('input_file', type=str)
+args = parser.parse_args()
+
 # load from file:
-with open(sys.argv[1], 'r') as f:
+with open(args.input_file, 'r') as f:
     yaml_string = f.read()
 
-print json.dumps({"cloud-init":yaml_string})
+print json.dumps({"cloud-init": yaml_string})
diff --git a/scripts/vendor-data-to-cloud-config b/scripts/vendor-data-to-cloud-config
index 06155e2..449575a 100755
--- a/scripts/vendor-data-to-cloud-config
+++ b/scripts/vendor-data-to-cloud-config
@@ -11,12 +11,22 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import sys
+import argparse
 import json
+import sys
 import yaml
 
+parser = argparse.ArgumentParser(
+    description='Convert a single-line static vendor data file from'
+                '\n{"cloud-init": <single-line cloud-config>}'
+                '\nto multi-line cloud-config.',
+    formatter_class=argparse.RawTextHelpFormatter
+)
+parser.add_argument('input_file', type=str)
+args = parser.parse_args()
+
 # load from file:
-with open(sys.argv[1], 'r') as f:
+with open(args.input_file, 'r') as f:
     js = json.loads(f.read())
 
 print js['cloud-init']