doc: update doc to remove usage of "you"

As per style guide avoid the use of you, your etc. Rational as per: http://www2.ivcc.edu/rambo/tip_formal_writing_voice.htm

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• tests and/or benchmarks are included
• commit message follows commit guidelines

Affected core subsystem(s)

doc