Removed double title, reformatted header. Added colons, Gave example a proper skill ID and moved alias section to bottom.

skills/mechanics/runaigoalselector.md

-Mechanic: RunAIGoalSelector
 ===========================
 
-**Aliases**: aigoal
+## Description:
 
 Change pathfindergoals. It is not possible to use every goal on every
 entity. To change the ai of an entity, you need to use clear first.
@@ -14,13 +13,16 @@ existing goals of the entity.
 A list of AI Goals can be found
 [here](/Mobs/Custom-AI#ai-goal-selectors)
 
-Example
--------
-
-Skill.yml:
+## Examples:
 
+```yaml
+TimeToFlee:
   ChangePatchfinderGoalExample:
     Skills:
       - runaigoalselector{goal=clear}
       - runaigoalselector{goal=fleesun}
       - runaigoalselector{goal=randomstroll}
+```
+
+## Aliases:
+[x] aigoal
\ No newline at end of file