Fix lazy loading heading

src/roadmaps/aspnet-core/content/104-orm/100-entity-framework-core/103-lazy-eager-explicit-loading.md

@@ -4,7 +4,7 @@
 
 Eager Loading helps you to load all your needed entities at once; i.e., all your child entities will be loaded at single database call. This can be achieved, using the Include method, which returs the related entities as a part of the query and a large amount of data is loaded at once.
 
-**Lazy Loading**
+## Lazy Loading
 
 It is the default behavior of an Entity Framework, where a child entity is loaded only when it is accessed for the first time. It simply delays the loading of the related data, until you ask for it.