Here is a good closeup view of how to put strings on your classical guitar. It shows both the bridge end and the tuning peg end. Two things to note about changing your guitar strings is that you should always change complete sets even if you just broke one string. And when you have all the strings off your guitar it is the perfect time to inspect the instrument and maintain/clean it. I explain this in the video. I also have a pictorial tutorial on this subject with step-by-step pictures Changing your classical guitar strings