project/history: Improve code syntax and comments
project/history: Improve code syntax and comments

Change-Id: If15d1a791fb65f6cdac1e280e46f452e297d9a1d
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools