diff --git a/openstackclient/tests/compute/v2/test_security_group.py b/openstackclient/tests/compute/v2/test_security_group.py
index e500125ae4..79eefe6c41 100644
--- a/openstackclient/tests/compute/v2/test_security_group.py
+++ b/openstackclient/tests/compute/v2/test_security_group.py
@@ -87,7 +87,9 @@ class TestSecurityGroupCreate(TestSecurityGroup):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # SecurityGroupManager.create(name, description)
@@ -110,7 +112,9 @@ class TestSecurityGroupCreate(TestSecurityGroup):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # SecurityGroupManager.create(name, description)
diff --git a/openstackclient/tests/compute/v2/test_security_group_rule.py b/openstackclient/tests/compute/v2/test_security_group_rule.py
index 4464447515..d211ee4edc 100644
--- a/openstackclient/tests/compute/v2/test_security_group_rule.py
+++ b/openstackclient/tests/compute/v2/test_security_group_rule.py
@@ -149,7 +149,9 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # SecurityGroupManager.create(name, description)
@@ -193,7 +195,9 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # SecurityGroupManager.create(name, description)
@@ -241,7 +245,9 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # SecurityGroupManager.create(name, description)
@@ -284,7 +290,9 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # SecurityGroupManager.create(name, description)
@@ -330,7 +338,9 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # SecurityGroupManager.create(name, description)
diff --git a/openstackclient/tests/compute/v2/test_server.py b/openstackclient/tests/compute/v2/test_server.py
index da5fc76fdc..84402ea53d 100644
--- a/openstackclient/tests/compute/v2/test_server.py
+++ b/openstackclient/tests/compute/v2/test_server.py
@@ -163,7 +163,9 @@ class TestServerCreate(TestServer):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # Set expected values
@@ -241,7 +243,9 @@ class TestServerCreate(TestServer):
         self.app.client_manager.network.find_network = find_network
         self.app.client_manager.network.find_port = find_port
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # Set expected values
@@ -299,7 +303,9 @@ class TestServerCreate(TestServer):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # Ensure the userdata file is opened
@@ -551,7 +557,9 @@ class TestServerImageCreate(TestServer):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # ServerManager.create_image(server, image_name, metadata=)
@@ -574,7 +582,9 @@ class TestServerImageCreate(TestServer):
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        # DisplayCommandBase.take_action() returns two tuples
+        # In base command class ShowOne in cliff, abstractmethod take_action()
+        # returns a two-part tuple with a tuple of column names and a tuple of
+        # data to be shown.
         columns, data = self.cmd.take_action(parsed_args)
 
         # ServerManager.create_image(server, image_name, metadata=)