Update rest-api-spec

Author: pquentin

specification/_json_spec/indices.get_data_stream_settings.json

@@ -18,20 +18,16 @@
           "parts": {
             "name": {
               "type": "string",
-              "description": "The name of the data stream or data stream pattern"
+              "description": "Comma-separated list of data streams or data stream patterns"
             }
           }
         }
       ]
     },
     "params": {
-      "timeout": {
-        "type": "time",
-        "description": "Specify timeout for acknowledging the cluster state update"
-      },
       "master_timeout": {
         "type": "time",
-        "description": "Specify timeout for connection to master"
+        "description": "Period to wait for a connection to the master node"
       }
     }
   }

specification/_json_spec/indices.put_data_stream_settings.json

@@ -18,7 +18,7 @@
           "parts": {
             "name": {
               "type": "string",
-              "description": "The name of the data stream or data stream pattern"
+              "description": "Comma-separated list of data streams or data stream patterns"
             }
           }
         }
@@ -27,16 +27,16 @@
     "params": {
       "dry_run": {
         "type": "boolean",
-        "description": "Perform a dry run but do not actually change any settings",
+        "description": "Whether this request should only be a dry run rather than actually applying settings",
         "default": false
       },
       "timeout": {
         "type": "time",
-        "description": "Specify timeout for acknowledging the cluster state update"
+        "description": "Period to wait for a response"
       },
       "master_timeout": {
         "type": "time",
-        "description": "Specify timeout for connection to master"
+        "description": "Period to wait for a connection to the master node"
       }
     },
     "body": {