fix

Author: Frotty

_doc/manual/conventions.md

@@ -9,16 +9,12 @@ sections:
 - Idiomatic use of language features
 ---
 
-
-## Coding Conventions
-
 ### About
 
 Coding Conventions describe a set of rules that aren't directly enforced as errors by the language, but still commonly accepted guidelines among developers to produce consistently structured and formatted code.
 
 ### Source Code Organization
 
-
 #### Directory structure
 
 All your packages should be inside the `wurst/` folder of your project. You can have any folder structure inside the `wurst/` folder as packages are not affected by it. Folders should be used to group together packages and files.