Fixing iosxr return documentation in module.
diff --git a/lib/ansible/modules/network/iosxr/iosxr_config.py b/lib/ansible/modules/network/iosxr/iosxr_config.py
index e24ff611ec5ee6..a060a7e34f188e 100644
--- a/lib/ansible/modules/network/iosxr/iosxr_config.py
+++ b/lib/ansible/modules/network/iosxr/iosxr_config.py
@@ -168,11 +168,11 @@
 """
 
 RETURN = """
-updates:
+commands:
   description: The set of commands that will be pushed to the remote device
-  returned: Only when lines is specified.
+  returned: If there are commands to run against the host
   type: list
-  sample: ['...', '...']
+  sample: ['hostname foo', 'router ospf 1', 'router-id 1.1.1.1']
 backup_path:
   description: The full path to the backup file
   returned: when backup is yes

##### SUMMARY
<!--- Describe the change, including rationale and design decisions -->
In the RETURN section it listed updates, but the module does not return anything with that key.

##### ISSUE TYPE
<!--- Pick one below and delete the rest: -->
 - Bugfix Pull Request

##### COMPONENT NAME
<!--- Name of the module/plugin/module/task -->
iosxr_config

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes below -->
```
$ ansible --version
ansible 2.5.0 (iosxr_doc 78b69e87f2) last updated 2017/11/27 09:44:12 (GMT -700)
  config file = None
  configured module search path = [u'/Users/james/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /Users/james/Documents/git/ansible/lib/ansible
  executable location = /Users/james/Documents/git/ansible/bin/ansible
  python version = 2.7.13 (default, Jul 18 2017, 09:17:00) [GCC 4.2.1 Compatible Apple LLVM 8.1.0 (clang-802.0.42)]
```
