Command copied had % in the beginning

[rahulnjs]

Before submitting your Pull Request (PR), please check the following:

• [ ] There is no other PR (open or closed) similar to yours. If there is, please first discuss over there.
• [ ] Your new code in each file follows the same style as the existing code in that file.
• [ ] Each commit messages follows the Seven Rules of a Great Commit Message.
• [ ] Each commit message includes Fixes #<bug> or Resolves #<issue> in its body (not subject, that is, the first line) for each issue it resolves (if any).
• [ ] You have squashed any redundant or insignificant commits.

[marlonrichert]

% is the prompt, showing that you need to run this on the command, not put it in a script. Bash examples use $ for this. I've now added a note about this to the Readme.