drm/amdgpu/cs: fix a typo in a comment

Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

@@ -497,7 +497,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 				 &e->user_invalidated) && e->user_pages) {
 
 				/* We acquired a page array, but somebody
-				 * invalidated it. Free it an try again
+				 * invalidated it. Free it and try again
 				 */
 				release_pages(e->user_pages,
 					      e->robj->tbo.ttm->num_pages,