Update astro/src/content/docs/bff/fundamentals/blazor/data-access.mdx

Co-authored-by: Maarten Balliauw <maarten.balliauw@duendesoftware.com>

Author: khalidabuhakmeh

astro/src/content/docs/bff/fundamentals/blazor/data-access.mdx

@@ -45,7 +45,7 @@ public interface IDataAccessor
 public record Data(string Value);
 ```
 
-### Server implementation
+### Server Implementation
 
 ```csharp
 // Server/ServerDataAccessor.cs