SHELL

git commit message

$ git commit -m"Fix typo in introduction to user guide"

git commit message

git commit -m"message"

git commit message

git commit -m "Write your message here"

git commit with message

git commit -m <msg> 
git commit -message=<msg> 

Git messages

If your message says something like: 
Make heroImage.jpg in index.html responsive, 
then that's a good message. 
You could adopt the convention that some developers use of 
prefixing their commit messages with 
feat for feature, 
fix for a bugfix, 
style for changes to your CSS, 
docs for changes related to documentation, 
refactor for refactored code or 
maint for general maintenance.