zabbix: improve module doc

monitoring/zabbix_host.py

@@ -63,24 +63,28 @@ options:
         default: None
     status:
         description:
-            - 'Monitoring status of the host. Possible values are: "enabled" and "disabled".'
+            - 'Monitoring status of the host.
         required: false
+        choices: ['enabled', 'disabled']
         default: "enabled"
     state:
         description:
-            - 'Possible values are: "present" and "absent". If the host already exists, and the state is "present", it will just to update the host is the associated data is different. "absent" will remove a host if it exists.'
+            - State of the host.
+            - On C(present), it will create if host does not exist or update the host if the associated data is different.
+            - On C(absent) will remove a host if it exists.
         required: false
+        choices: ['present', 'absent']
         default: "present"
     timeout:
         description:
-            - The timeout of API request(seconds).
+            - The timeout of API request (seconds).
         default: 10
     interfaces:
         description:
             - List of interfaces to be created for the host (see example below).
             - 'Available values are: dns, ip, main, port, type and useip.'
             - Please review the interface documentation for more information on the supported properties
-            - https://www.zabbix.com/documentation/2.0/manual/appendix/api/hostinterface/definitions#host_interface
+            - 'https://www.zabbix.com/documentation/2.0/manual/appendix/api/hostinterface/definitions#host_interface'
         required: false
         default: []
 '''

monitoring/zabbix_hostmacro.py

@@ -60,12 +60,15 @@ options:
         required: true
     state:
         description:
-            - 'Possible values are: "present" and "absent". If the macro already exists, and the state is "present", it will just to update the macro if needed.'
+            - State of the macro.
+            - On C(present), it will create if macro does not exist or update the macro if the associated data is different.
+            - On C(absent) will remove a macro if it exists.
         required: false
+        choices: ['present', 'absent']
         default: "present"
     timeout:
         description:
-            - The timeout of API request(seconds).
+            - The timeout of API request (seconds).
         default: 10
 '''
 

monitoring/zabbix_screen.py

@@ -50,15 +50,15 @@ options:
         required: true
     timeout:
         description:
-            - The timeout of API request(seconds).
+            - The timeout of API request (seconds).
         default: 10
     zabbix_screens:
         description:
             - List of screens to be created/updated/deleted(see example).
             - If the screen(s) already been added, the screen(s) name won't be updated.
-            - When creating or updating screen(s), the screen_name, host_group are required.
-            - When deleting screen(s), the screen_name is required.
-            - 'The available states are: present(default) and absent. If the screen(s) already exists, and the state is not "absent", the screen(s) will just be updated as needed.'
+            - When creating or updating screen(s), C(screen_name), C(host_group) are required.
+            - When deleting screen(s), the C(screen_name) is required.
+            - 'The available states are: C(present) (default) and C(absent). If the screen(s) already exists, and the state is not C(absent), the screen(s) will just be updated as needed.'
         required: true
 notes:
     - Too many concurrent updates to the same screen may cause Zabbix to return errors, see examples for a workaround if needed.