diff --git a/competition/.net/filter.md b/competition/.net/filter.md
index 9712c64..01729bc 100644
--- a/competition/.net/filter.md
+++ b/competition/.net/filter.md
@@ -1,5 +1,7 @@
+# World Taekwondo Competition Filter
 Here is the full comprehensive C# code for a World Taekwondo competition participant filter function including grouping by official, up-to-date WT age categories (Child, Cadet, Junior, Senior, Master), gender-specific weight classes, and integration with your PlayerDto object:
 
+## Filter Function
 ```csharp
 using System;
 using System.Collections.Generic;
@@ -252,6 +254,8 @@ This is the base you can use to seamlessly integrate further with bracket and ma
 [8](https://learn.microsoft.com/en-us/aspnet/core/mvc/controllers/filters?view=aspnetcore-9.0)
 [9](https://github.com/linpengcheng/PurefunctionPipelineDataflow)
 
+## How To Use The Function
+
 Here is an example showing how to use the comprehensive Taekwondo filter function with your PlayerDto list to group participants by official WT categories and then display the groupings for predraw preparation:
 
 ```csharp