Itseez/opencv — pull request #2400 by RJ2 (2014-02-24 11:04:14+00:00)
Title: I have changed one sentence in tutorial, making it more understandable.

I had read previous sentence few time before I understand, that "a channel of pixel may have up to 256 different values", by using "the unsigned char C and C++ type for matrix item storing". After I understood, I have decided to make a little changes. I think, it's more understandable now.