Update commands.md (#529)

docs/user-guide/commands.md

@@ -3,13 +3,13 @@
 ## Definition
 
 Commands are a way to execute one or more actions based on a class (the command itself).
-Commands are defined as a simple class, inherited from `ICommand` interface.
+Commands are defined as a simple class inherited from the `ICommand` interface.
 
-Each command can be handled by one, and only one of command handlers.
+Each command can be handled by one and only one of the command handlers.
 
-The command handler class inherit from `ICommandHandler<TCommand, TResult>` interface and must implement the `TResult Handle(TCommand command).
+The command handler class inherits from the `ICommandHandler<TCommand, TResult>` interface and must implement the `TResult Handle(TCommand command)`.
 
-For example, the `HelloWorldCommand` class, defined below is a simple class without methods, properties or fields and is used to trigger `HelloWorldCommandHandler`:
+For example, the `HelloWorldCommand` class, defined below, is a simple class without methods, properties, or fields and is used to trigger `HelloWorldCommandHandler`:
 
 Command class:
 
@@ -27,7 +27,7 @@ public class HelloWorldCommandHandler : ICommandHandler<HelloWorldCommand, strin
 }
 ```
 
-To trigger the command handler just call the `CommandsConsumer.Raise` method from any part of your code:
+To trigger the command handler, just call the `CommandsConsumer.Raise` method from any part of your code:
 
 ```cs
 CommandsConsumer.Raise<HelloWorldCommand, string>(new HelloWorldCommand());
@@ -38,7 +38,7 @@ CommandsConsumer.Raise<HelloWorldCommand, string>(new HelloWorldCommand());
 
 ### Returning a class as a result
 
-In this example, the command has some properties and the handler will give a result:
+In this example, the command has some properties, and the handler will give the result:
 
 ```cs
 // The command class.
@@ -55,7 +55,7 @@ public class ResultSomeCommand(int newQuantity)
     public int Quantity { get; } = newQuantity;
 }
 
-// The command handler class. Each event can be handled by one, and only one handler.
+// The command handler class. Each event can be handled by one and only one handler.
 public class SomeCommandHandler : ICommandHandler<SomeCommand, ResultSomeCommand>
 {
     //constructor of the class, with dependencies...