Correct a couple of typos in the various readme files.
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
The READMEs are often viewed from websites markdown format which is
much as readable as text and yet friendlier in browsers.
Signed-off-by: Khem Raj <raj.khem@gmail.com>