Yes but in the last month scrypt diff is not increased.
Sep 08 2014 28,124 1.17% 805,267 MH/s
Sep 05 2014 27,799 2.87% 795,979 MH/s
Sep 01 2014 27,024 -3.74% 773,787 MH/s
Aug 29 2014 28,073 -1.40% 803,825 MH/s
Aug 25 2014 28,472 1.21% 815,234 MH/s
Aug 22 2014 28,131 0.13% 805,473 MH/s
Aug 18 2014 28,094 -4.08% 804,414 MH/s
Aug 15 2014 29,290 4.73% 838,674 MH/s
Aug 11 2014 27,968 4.27% 800,815 MH/s
Nice!