mysql dump

I am getting this message

ERROR 1064 (42000) at line 1: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘Usage: mysqldump [OPTIONS] database [tables] OR mysqldump [OPTIONS] –databa’ at line 1 – See more at: http://www.pushon.co.uk/blog/clever-stuff/easy-fix-for-the-right-syntax-to-use-near-usage-mysqldump/#sthash.kQkBXcQs.dpuf

this is the solution I see

To fix this, simply open the sql file in a text editor and remove the first four lines, namely: – See more at: http://www.pushon.co.uk/blog/clever-stuff/easy-fix-for-the-right-syntax-to-use-near-usage-mysqldump/#sthash.kQkBXcQs.dpuf

My question is…how do I find the sql file to open it with the text editor and make the changes