NIT: replace os with openstack in command example

Change-Id: Iac1b0ec3b715ffa0eb41fc2fe9020781d834a7a3

Author: ankur-odl

doc/source/command-objects/consistency-group.rst

@@ -12,7 +12,7 @@ Add volume(s) to consistency group.
 .. program:: consistency group add volume
 .. code:: bash
 
-    os consistency group add volume
+    openstack consistency group add volume
         <consistency-group>
         <volume> [<volume> ...]
 
@@ -116,7 +116,7 @@ Remove volume(s) from consistency group.
 .. program:: consistency group remove volume
 .. code:: bash
 
-    os consistency group remove volume
+    openstack consistency group remove volume
         <consistency-group>
         <volume> [<volume> ...]
 

doc/source/command-objects/network-qos-rule-type.rst

@@ -15,4 +15,4 @@ List Network QoS rule types
 .. program:: network qos rule type list
 .. code:: bash
 
-    os network qos rule type list
+    openstack network qos rule type list

doc/source/command-objects/network-qos-rule.rst

@@ -17,7 +17,7 @@ Create new Network QoS rule
 .. program:: network qos rule create
 .. code:: bash
 
-    os network qos rule create
+    openstack network qos rule create
         --type <type>
         [--max-kbps <max-kbps>]
         [--max-burst-kbits <max-burst-kbits>]
@@ -67,7 +67,7 @@ Delete Network QoS rule
 .. program:: network qos rule delete
 .. code:: bash
 
-    os network qos rule delete
+    openstack network qos rule delete
          <qos-policy>
          <rule-id>
 
@@ -87,7 +87,7 @@ List Network QoS rules
 .. program:: network qos rule list
 .. code:: bash
 
-    os network qos rule list
+    openstack network qos rule list
          <qos-policy>
 
 .. describe:: <qos-policy>
@@ -102,7 +102,7 @@ Set Network QoS rule properties
 .. program:: network qos rule set
 .. code:: bash
 
-    os network qos rule set
+    openstack network qos rule set
         [--max-kbps <max-kbps>]
         [--max-burst-kbits <max-burst-kbits>]
         [--dscp-marks <dscp-marks>]
@@ -152,7 +152,7 @@ Display Network QoS rule details
 .. program:: network qos rule show
 .. code:: bash
 
-    os network qos rule show
+    openstack network qos rule show
         <qos-policy>
         <rule-id>