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

@@ -31,7 +31,7 @@ For server-side rendering, components access data directly (database, services).
 
 An Embedded API is hosted within the BFF itself. It lives within the server's security boundary, so no token needs to be passed to the browser.
 
-### Defining the abstraction
+### Defining the Abstraction
 
 Use an interface to abstract between server and client implementations: