docs: update attributes.md (#751)

stcruy · eddyerburgh · commit 3494fc0d358b · 2018-06-24T14:58:44.000+01:00
Give it a "##"-type header, just like the other Methods,
so that `attributes()` will appear in the overview column as well (on the left-hand side of the screen).
diff --git a/docs/api/wrapper/attributes.md b/docs/api/wrapper/attributes.md
@@ -1,4 +1,4 @@
-### attributes()
+## attributes()
 
 Returns `Wrapper` DOM node attribute object.
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-### attributes()`
	`1`	`+## attributes()`
`2`	`2`
`3`	`3`	Returns `Wrapper` DOM node attribute object.
`4`	`4`