Think of CMM, or rather CMMI which replaced CMMI about 10 years ago, as a ruler.

-- should be which replaced CMM

Watts Humphrey (the farther of CMM)

-- should be father

Thats the easy bit.

-- should be That's

The risk of change is a lot greater because the organisation has more to loose

-- should be lose. <-- This is my pet hate :)

Waterfall/waterfall

-- chose one case