Fix typo in change log.

laravel/documentation/changes.md

@@ -47,7 +47,7 @@
 - Fixed replacement of optional parameters in `URL::transpose` method.
 - Improved `update` handling on `Has_Many` and `Has_One` relationships.
 - Improved View performance by only loading contents from file once.
-- Fix handling of URLs beginning with has in `URL::to`.
+- Fix handling of URLs beginning with hashes in `URL::to`.
 - Fix the resolution of unset Eloquent attributes.
 - Allows pivot table timestamps to be disabled.
 - Made the `get_timestamp` Eloquent method static.