Update description of command pattern

src/CommandPattern/CommandPatternExamples.cs

@@ -40,10 +40,10 @@ namespace CommandPattern
         public static string GetPatternDescription()
         {
             return @"Patttern description:
-command pattern is a behavioral design pattern in which an object is used to encapsulate 
+Command pattern is a behavioral design pattern in which an object is used to encapsulate 
 all information needed to perform an action or trigger an event at a later time
 Uses:
-1. Macro recording: f all user actions are represented by command objects, a program can record a 
+1. Macro recording: all user actions are represented by command objects, a program can record a 
 sequence of actions simply by keeping a list of the command objects as they are executed.
 2. Undo
 3. GUI buttons and menu items

src/CommandPattern/StocksExample/StockExampleRunner.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 
 namespace CommandPattern.StocksExample
 {
+    /// <summary>
+    /// Client
+    /// </summary>
     public class StockExampleRunner
     {
         public void RunWithRealStockSchedule()