Correct english mistakes

List of mistakes to correct:

"Already exist" –> "Already exists"
Show me pictures (images)
for your distribution
It reveals which repositories are clean, which ones have uncommited changes, or even to know which ones are not up-to-date with origin. (Je pense que tu voulais dire origin.)
Let's say
Then your workspace
who uses heavily git
For instance my current organisation is

StreakyCobra / gws