*
* \return Flags, or'ed together as follows:
*
- * DRM_SCANOUTPOS_VALID = Query successfull.
+ * DRM_SCANOUTPOS_VALID = Query successful.
* DRM_SCANOUTPOS_INVBL = Inside vblank.
* DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of
* this flag means that returned position may be offset by a constant but