- @"This setting is finer-grained than the motion estimation settings above. Instead of dealing with whole pixels, it deals with 4 fractional pixels, or quarter pixels (qpel). Higher levels increase quality by further refining the motion prediction for these quarter pixels, but take longer to encode.\n\nThe default, 6, turns on a feature called rate distortion optimization, including psychovisual enhancements. 7 enables that rate distortion for B-frames. 8 refines those decisions for I and P frames, and 9 adds on refinement for B-frames as well.";
+ @"This setting is finer-grained than the motion estimation settings above. Instead of dealing with whole pixels, it deals with 4 fractional pixels, or quarter pixels (qpel). Higher levels increase quality by further refining the motion prediction for these quarter pixels, but take longer to encode.\n\nLevel 6, turns on a feature called rate distortion optimization, including psychovisual enhancements. 7, the default, enables that rate distortion for B-frames. 8 refines those decisions for I and P frames, and 9 adds on refinement for B-frames as well.";