DocBook/drm: Remove parentheses and unnecessary repetition

	</para>

	<para>

	  Once your global TTM accounting structure is set up and initialized

	  (done by calling ttm_global_item_ref on the global object you

	  just created), you need to create a buffer object TTM to

	  by calling ttm_global_item_ref on it,

	  you need to create a buffer object TTM to

	  provide a pool for buffer object allocation by clients and the

	  kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,

	  and its size should be sizeof(struct ttm_bo_global).  Again,