Git modifications and push to origin master (aka git hub )

$ vi README
$ cat README
Readme modified
$ git status
# On branch master
# Changed but not updated:
# (use "git add ..." to update what will be committed)
#
# modified: README
#
no changes added to commit (use "git add" and/or "git commit -a")
$ git commit -a
Created commit d47c527: test modifications
1 files changed, 1 insertions(+), 0 deletions(-)
$ git push origin master
Counting objects: 5, done.
Writing objects: 100% (3/3), 254 bytes, done.
Total 3 (delta 0), reused 0 (delta 0)
To git@github.com:mariuz/firebird_scripts.git
145b8ed..d47c527 master -> master