Update endian.md

Author: DeveloperTryingToCodeLikeOtherOfThem

docs/reference/buffer/endian.md

@@ -5,5 +5,5 @@ There are only 2 ways of ordering, which are little and big endian.
 * **Little Endian (LE)** groups bytes by the least significant byte at the lowest address.
 * **Big Endian (BE)** stores the most significant byte at the lowest address, it is meant for human readability.
 
-~hint
+### ~hint
 An endian order must have at least a group of 2 bytes.