The 130th AGM of The International FA Board held in Cardiff on 5th March 2016 approved “the most comprehensive revision of the Laws of the Game in The IFAB’s 130 year history”.
You can read a Summary Of The Changes here. This shows the real Law changes.
Most of the changes are rewording of the Laws, you can see the detail of the Latest Changes here.
All the Additional Explanatory Documents about the changes are here.