Format code and correct some typos

src/Attributes/BreadcrumbAttribute.cs

@@ -35,7 +35,7 @@ public class BreadcrumbAttribute : Attribute
         public Type FromController { get; set; }
 
         /// <summary>
-        /// Wheither to replace the node's title with what was found in ViewData.
+        /// Whether to replace the node's title with what was found in ViewData.
         /// <para>Only usable when the Title is "ViewData.Something".</para>
         /// </summary>
         public bool OverwriteTitleOnExactMatch { get; set; }
@@ -93,7 +93,7 @@ public virtual string ExtractFromKey(Type type)
                     throw new SmartBreadcrumbsException($"'{fromControllerType.Name}' is used in FromController but isn't a Controller.");
 
                 var actionMethod = fromControllerType.GetMethods(BindingFlags.Instance | BindingFlags.Public)
-                    .FirstOrDefault(m=>m.Name == FromAction); //to prevent AmbiguousMatchException
+                    .FirstOrDefault(m => m.Name == FromAction); //to prevent AmbiguousMatchException
 
                 if (actionMethod == null || actionMethod.ReturnType.IsAction() == false)
                     throw new SmartBreadcrumbsException($"{fromControllerType.Name} doesn't contain a valid action named {FromAction}.");

src/BreadcrumbOptions.cs

@@ -12,7 +12,7 @@ public class BreadcrumbOptions
         public string TagName { get; set; }
 
         /// <summary>
-        /// The parent element tag classes (seperated by a space).
+        /// The parent element tag classes (separated by a space).
         /// </summary>
         public string TagClasses { get; set; }
 
@@ -32,7 +32,7 @@ public class BreadcrumbOptions
         public string ActiveLiClasses { get; set; }
 
         /// <summary>
-        /// In case you want to insert a seperator element between items.\n
+        /// In case you want to insert a separator element between items.\n
         /// <para>Example: &lt;li class="separator"&gt;/&lt;/li&gt;</para>
         /// </summary>
         public string SeparatorElement { get; set; }