add comment and fixed spell error.

src/DotNetCore.CAP/CAP.ServiceCollectionExtensions.cs

@@ -32,20 +32,20 @@ namespace Microsoft.Extensions.DependencyInjection
 
             AddSubscribeServices(services);
 
-            // serializer and model binder
+            //Serializer and model binder
             services.TryAddSingleton<IContentSerializer, JsonContentSerializer>();
             services.TryAddSingleton<IConsumerServiceSelector, DefaultConsumerServiceSelector>();
             services.TryAddSingleton<IModelBinderFactory, ModelBinderFactory>();
             services.TryAddSingleton<IConsumerInvokerFactory, ConsumerInvokerFactory>();
             services.TryAddSingleton<MethodMatcherCache>();
 
-            //bootstrap
+            //Bootstrapper and Processors
             services.AddSingleton<IProcessingServer, ConsumerHandler>();
             services.AddSingleton<IProcessingServer, CapProcessingServer>();
             services.AddSingleton<IBootstrapper, DefaultBootstrapper>();
             services.AddSingleton<IStateChanger, StateChanger>();
 
-            //Processors
+            //Queue's message processor
             services.AddTransient<PublishQueuer>();
             services.AddTransient<SubscribeQueuer>();
             services.AddTransient<FailedProcessor>();

src/DotNetCore.CAP/ICapPublisher.cs

@@ -15,7 +15,7 @@ namespace DotNetCore.CAP
         /// otherwise you need to use overloaded method with IDbConnection and IDbTransaction.
         /// </para>
         /// </summary>
-        /// <typeparam name="T">The type of conetent object.</typeparam>
+        /// <typeparam name="T">The type of content object.</typeparam>
         /// <param name="name">the topic name or exchange router key.</param>
         /// <param name="contentObj">message body content, that will be serialized of json.</param>
         /// <param name="callbackName">callback subscriber name</param>
@@ -28,7 +28,7 @@ namespace DotNetCore.CAP
         /// otherwise you need to use overloaded method with IDbConnection and IDbTransaction.
         /// </para>
         /// </summary>
-        /// <typeparam name="T">The type of conetent object.</typeparam>
+        /// <typeparam name="T">The type of content object.</typeparam>
         /// <param name="name">the topic name or exchange router key.</param>
         /// <param name="contentObj">message body content, that will be serialized of json.</param>
         /// <param name="callbackName">callback subscriber name</param>

src/DotNetCore.CAP/IConsumerClient.cs

@@ -4,6 +4,7 @@ using System.Threading;
 
 namespace DotNetCore.CAP
 {
+    /// <inheritdoc />
     /// <summary>
     /// consumer client
     /// </summary>

src/DotNetCore.CAP/IConsumerClientFactory.cs

@@ -8,7 +8,7 @@
         /// <summary>
         /// Create a new instance of <see cref="IConsumerClient" />.
         /// </summary>
-        /// <param name="groupId"></param>
+        /// <param name="groupId">message group number</param>
         IConsumerClient Create(string groupId);
     }
 }
\ No newline at end of file

src/DotNetCore.CAP/IConsumerHandler.cs

 namespace DotNetCore.CAP
 {
+    /// <summary>
+    /// Handler received message of subscribed.
+    /// </summary>
     public interface IConsumerHandler : IProcessingServer
     {
     }