What's done CAN be undone

wilder@wilder-ThinkPad-T440p:~/Dev/sharezza-oops$ git log --oneline
3b8cf1c (HEAD -> master) add paragraphs
372b609 update title
df716fe create index.html
wilder@wilder-ThinkPad-T440p:~/Dev/sharezza-oops$ git revert add paragraphs
fatal: bad revision 'add'
wilder@wilder-ThinkPad-T440p:~/Dev/sharezza-oops$ ^C
wilder@wilder-ThinkPad-T440p:~/Dev/sharezza-oops$ git revert 3b8cf1c
[master 969cf68] Revert "add paragraphs"
 1 file changed, 1 insertion(+), 1 deletion(-)
wilder@wilder-ThinkPad-T440p:~/Dev/sharezza-oops$ git log --online
fatal: argument non reconnu : --online
wilder@wilder-ThinkPad-T440p:~/Dev/sharezza-oops$ git log --oneline
969cf68 (HEAD -> master) Revert "add paragraphs"
3b8cf1c add paragraphs
372b609 update title
df716fe create index.html
wilder@wilder-ThinkPad-T440p:~/Dev/sharezza-oops$