/**
* Initialise and return the list of special page aliases. Returns an object with
* properties which can be accessed $obj->pagename - each property is an array of
- * aliases; the first in the array is the cannonical alias. All registered special
+ * aliases; the first in the array is the canonical alias. All registered special
* pages are guaranteed to have a property entry, and for that property array to
* contain at least one entry (English fallbacks will be added if necessary).
* @return Object