diff --git a/tackerclient/tacker/v1_0/nfvo/vim.py b/tackerclient/tacker/v1_0/nfvo/vim.py
index 0540f9d8..1e0f96cc 100644
--- a/tackerclient/tacker/v1_0/nfvo/vim.py
+++ b/tackerclient/tacker/v1_0/nfvo/vim.py
@@ -48,7 +48,7 @@ class CreateVIM(tackerV10.CreateCommand):
         parser.add_argument(
             '--config-file',
             required=True,
-            help='Specify VIM specific config parameters in a file')
+            help='YAML file with VIM configuration parameters')
         parser.add_argument(
             'name', metavar='NAME',
             help='Set a name for the VIM')
@@ -92,7 +92,7 @@ class UpdateVIM(tackerV10.UpdateCommand):
         parser.add_argument(
             '--config-file',
             required=True,
-            help='Specify VIM specific config parameters in a file')
+            help='YAML file with VIM configuration parameters')
         parser.add_argument(
             '--name',
             help='New name for the VIM')
diff --git a/tackerclient/tacker/v1_0/vnfm/vnf.py b/tackerclient/tacker/v1_0/vnfm/vnf.py
index 53a9ccee..a981e586 100644
--- a/tackerclient/tacker/v1_0/vnfm/vnf.py
+++ b/tackerclient/tacker/v1_0/vnfm/vnf.py
@@ -72,7 +72,7 @@ class CreateVNF(tackerV10.CreateCommand):
             help='VIM Region to use to create VNF on the specified VIM')
         parser.add_argument(
             '--config-file',
-            help='Specify config yaml file')
+            help='YAML file with VNF configuration')
         parser.add_argument(
             '--config',
             help='Specify config yaml data')
@@ -138,7 +138,7 @@ class UpdateVNF(tackerV10.UpdateCommand):
     def add_known_arguments(self, parser):
         parser.add_argument(
             '--config-file',
-            help='Specify config yaml file')
+            help='YAML file with VNF configuration')
         parser.add_argument(
             '--config',
             help='Specify config yaml data')