Updated some formatting

Updated formatting for object

docs/objects/Object/setZIndex.md

@@ -1,19 +1,28 @@
+# Object
+
 ## setZIndex
+
 Sets the z-index. Higher value means higher draw/event priority. You can also add multiple objects to the same z-index, if so the last added object will have the highest priority.
-#### Parameters: 
+
+### Parameters
+
 1. `number` z-index
 
-#### Returns:
+### Returns
+
 1. `object` The object in use
 
-#### Usage:
+### Usage
+
 * Sets the buttons z-index to `1` and the labels z-index to `2`
+
 ```lua
 local mainFrame = basalt.createFrame()
 local aButton = mainFrame:addButton():setZIndex(1):setPosition(2,2)
 local aLabel = mainFrame:addButton():setZIndex(2):setPosition(2,2):setText("I am a label!")
 ```
+
 ```xml
 <button x="2" y="2" zIndex="1" />
 <label x="2" y="2" text="I am a label!" zIndex="2" />
-```
+```