Git is a version control system.
Git is free software.

the first change:
Git is a distributed version control system.
Git is free software.

the second change:
Git is a distributed version control system.
Git is free software distributed under the GPL.

the third change:
Git is a distributed version control system.
Git is free software distributed under the GPL.
Git has a mutable index called stage.

change in dev branch
Creating a new branch is quick.

first change in feature1
Creating a new branch is quick AND simple.