It's good to know about HTML
HTML means Hypertext Markup Language what you would work with is the source code of a web page some people don't enjoy working with the source because one it is pretty hard to work with a lot of words especially if you have a long project to do, and if you make a mistake it may be hard to find it, but this is very good to learn it could alot some people use this they use progams that are much more easier to use so they never learn, but if never leran and you have do something on Dreamweaver wich is one of the porgrams that are easier to use, and you don't know how to a certain thing, but you do know how to do itit could help you get the work down. In counculshion it is helpful to now a little bit about HTML.
