private functions hinweis in how to write JDito code

others/guide/how to write JDito code.adoc

@@ -137,12 +137,14 @@ SqlCondition.prototype.and = function(cond){<5>
 
 === private functions ===
 
+
 Private functions would be possible but make everything much more complicate.
 So just start your functions / methods name with a _ if you need private methods.
 
 --> do not use functions which start with a _ outside of the class!
 
-----
+
+== JS-Doc ==
 
 <1> JS-Doc comment: http://usejsdoc.org/
 <2> use the correct form for optional/required parameters: http://usejsdoc.org/tags-param.html