gistfile1.sh

(issue-12)jj@im-jj:~/demo$ git checkout master 
Switched to branch 'master'
(master)jj@im-jj:~/demo$ echo "there was a typo" >> fixed_typo.txt
(master)jj@im-jj:~/demo$ git add fixed_typo.txt
(master)jj@im-jj:~/demo$ git commit -m "Added fixed typo"
[master c348893] Added fixed typo
 1 files changed, 1 insertions(+), 0 deletions(-)
 create mode 100644 fixed_typo.txt
(master)jj@im-jj:~/demo$