missing info about the solution proposed on installing bit

[GiladShoham]

In the install bit section inside the note, we propse solutions for linux/mac/windows.
But we don't say anything about what problem this solution should solve.

I would expect something like we have in the using bvm refrence (which propose the same solution, but shows what error it come to solve)

If you get the following error while installing bit via BVM:

global Bit install location was not found in your PATH global variable.
please add the following command to your bash/zsh profile then re-open the terminal:
export PATH=$HOME/bin:$PATH