Fix typos in code comments

src/Spectre.Console/Cli/Annotations/ParameterValidationAttribute.cs

@@ -3,7 +3,7 @@ using System;
 namespace Spectre.Console.Cli
 {
     /// <summary>
-    /// An base class attribute used for parameter validation.
+    /// A base class attribute used for parameter validation.
     /// </summary>
     /// <seealso cref="Attribute" />
     [AttributeUsage(AttributeTargets.Property, AllowMultiple = true)]

src/Spectre.Console/Cli/Annotations/ParameterValueProviderAttribute.cs

@@ -3,7 +3,7 @@ using System;
 namespace Spectre.Console.Cli
 {
     /// <summary>
-    /// An base class attribute used for parameter completion.
+    /// A base class attribute used for parameter completion.
     /// </summary>
     /// <seealso cref="Attribute" />
     [AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]

src/Spectre.Console/Cli/Internal/CommandValidator.cs

@@ -32,7 +32,7 @@ namespace Spectre.Console.Cli
                 var validationResult = validator.Validate(context);
                 if (!validationResult.Successful)
                 {
-                    // If there is a error message specified in the parameter validator attribute,
+                    // If there is an error message specified in the parameter validator attribute,
                     // then use that one, otherwise use the validation result.
                     var result = string.IsNullOrWhiteSpace(validator.ErrorMessage)
                         ? validationResult

src/Spectre.Console/Prompts/MultiSelectionPrompt.cs

@@ -134,13 +134,13 @@ namespace Spectre.Console
 
                 if (Mode == SelectionMode.Leaf)
                 {
-                    // Select the node and all it's children
+                    // Select the node and all its children
                     foreach (var item in current.Traverse(includeSelf: true))
                     {
                         item.IsSelected = select;
                     }
 
-                    // Visit every parent and evaluate if it's selection
+                    // Visit every parent and evaluate if its selection
                     // status need to be updated
                     var parent = current.Parent;
                     while (parent != null)

src/Spectre.Console/Rendering/JustInTimeRenderable.cs

@@ -5,7 +5,7 @@ namespace Spectre.Console.Rendering
 {
     /// <summary>
     /// Represents something renderable that's reconstructed
-    /// when it's state change in any way.
+    /// when its state change in any way.
     /// </summary>
     public abstract class JustInTimeRenderable : Renderable
     {

src/Spectre.Console/Style.cs

@@ -29,7 +29,7 @@ namespace Spectre.Console
         public string? Link { get; }
 
         /// <summary>
-        /// Gets an <see cref="Style"/> with the
+        /// Gets a <see cref="Style"/> with the
         /// default colors and without text decoration.
         /// </summary>
         public static Style Plain { get; } = new Style();

src/Spectre.Console/Widgets/Figlet/FigletText.cs

@@ -107,7 +107,7 @@ namespace Spectre.Console
                 }
                 else
                 {
-                    // Does it fit on it's own line?
+                    // Does it fit on its own line?
                     if (width < maxWidth)
                     {
                         // Flush the line

src/Spectre.Console/Widgets/GridColumn.cs

@@ -19,7 +19,7 @@ namespace Spectre.Console
 
         /// <summary>
         /// Gets or sets the width of the column.
-        /// If <c>null</c>, the column will adapt to it's contents.
+        /// If <c>null</c>, the column will adapt to its contents.
         /// </summary>
         public int? Width
         {

src/Spectre.Console/Widgets/Table/TableColumn.cs

@@ -20,7 +20,7 @@ namespace Spectre.Console
 
         /// <summary>
         /// Gets or sets the width of the column.
-        /// If <c>null</c>, the column will adapt to it's contents.
+        /// If <c>null</c>, the column will adapt to its contents.
         /// </summary>
         public int? Width { get; set; }