Fix docs. (#436)

plugins/modules/docker_network_info.py

@@ -67,7 +67,7 @@ network:
       - Will be C(none) if network does not exist.
     returned: always
     type: dict
-    sample: '{
+    sample: {
         "Attachable": false,
         "ConfigFrom": {
             "Network": ""
@@ -94,7 +94,7 @@ network:
         "Name": "ansible-test-f2700bba",
         "Options": {},
         "Scope": "local"
-    }'
+    }
 '''
 
 import traceback

plugins/modules/docker_prune.py

@@ -118,13 +118,13 @@ containers:
     returned: I(containers) is C(true)
     type: list
     elements: str
-    sample: '[]'
+    sample: []
 containers_space_reclaimed:
     description:
       - Amount of reclaimed disk space from container pruning in bytes.
     returned: I(containers) is C(true)
     type: int
-    sample: '0'
+    sample: 0
 
 # images
 images:
@@ -133,13 +133,13 @@ images:
     returned: I(images) is C(true)
     type: list
     elements: str
-    sample: '[]'
+    sample: []
 images_space_reclaimed:
     description:
       - Amount of reclaimed disk space from image pruning in bytes.
     returned: I(images) is C(true)
     type: int
-    sample: '0'
+    sample: 0
 
 # networks
 networks:
@@ -148,7 +148,7 @@ networks:
     returned: I(networks) is C(true)
     type: list
     elements: str
-    sample: '[]'
+    sample: []
 
 # volumes
 volumes:
@@ -157,13 +157,13 @@ volumes:
     returned: I(volumes) is C(true)
     type: list
     elements: str
-    sample: '[]'
+    sample: []
 volumes_space_reclaimed:
     description:
       - Amount of reclaimed disk space from volumes pruning in bytes.
     returned: I(volumes) is C(true)
     type: int
-    sample: '0'
+    sample: 0
 
 # builder_cache
 builder_cache_space_reclaimed:
@@ -171,7 +171,7 @@ builder_cache_space_reclaimed:
       - Amount of reclaimed disk space from builder cache pruning in bytes.
     returned: I(builder_cache) is C(true)
     type: int
-    sample: '0'
+    sample: 0
 '''
 
 import traceback

plugins/modules/docker_stack_info.py

@@ -24,10 +24,11 @@ results:
     description: |
         List of dictionaries containing the list of stacks or tasks associated
         to a stack name.
-    sample: >
-        "results": [{"name":"grafana","namespace":"default","orchestrator":"Kubernetes","services":"2"}]
+    sample:
+        - {"name":"grafana","namespace":"default","orchestrator":"Kubernetes","services":"2"}
     returned: always
     type: list
+    elements: dict
 '''
 
 EXAMPLES = '''

plugins/modules/docker_swarm.py

@@ -277,7 +277,7 @@ actions:
   returned: when action failed.
   type: list
   elements: str
-  example: "['This cluster is already a swarm cluster']"
+  example: ['This cluster is already a swarm cluster']
 
 '''