Update dotnet/src/webdriver/DomMutationData.cs

Author: RenderMichael

dotnet/src/webdriver/DomMutationData.cs

@@ -57,7 +57,7 @@ public class DomMutationData
         public string AttributeOriginalValue { get; internal set; } = null!;
 
         /// <summary>
-        /// Stores the element associated with the target ID
+        /// Stores the element associated with the target ID, if any.
         /// </summary>
         [JsonIgnore]
         public IWebElement? Element { get; internal set; }