Fix descriptions

Author: russcam

src/Nest/Cluster/TaskManagement/TasksList/ElasticClient-TasksList.cs

@@ -7,9 +7,9 @@ namespace Nest
 	public partial interface IElasticClient
 	{
 		/// <summary>
-		/// Does a request to the root of an elasticsearch node
+		/// Retrieve information about the tasks currently executing on one or more nodes in the cluster.
 		/// </summary>
-		/// <param name="selector">A descriptor to further describe the root operation</param>
+		/// <param name="selector">A descriptor to further describe the tasks to retrieve information for</param>
 		ITasksListResponse TasksList(Func<TasksListDescriptor, ITasksListRequest> selector = null);
 
 		/// <inheritdoc/>

src/Nest/CommonAbstractions/Infer/TaskId/TaskId.cs

@@ -6,15 +6,14 @@ namespace Nest
 {
 	public class TaskId : IUrlParameter, IEquatable<TaskId>
 	{
-
 		public string NodeId { get; }
 		public long TaskNumber { get; }
 		public string FullyQualifiedId => $"{NodeId}:{TaskNumber.ToString(CultureInfo.InvariantCulture)}";
 
 		/// <summary>
-		/// A task id exists in the form <node_id>:<task_id>
+		/// A task id exists in the form [node_id]:[task_id]
 		/// </summary>
-		/// <param name="taskId"></param>
+		/// <param name="taskId">the task identifier</param>
 		public TaskId(string taskId)
 		{
 			if (string.IsNullOrWhiteSpace(taskId))