What is the mistake in this clause

[Nader75]

I'm going to make sit learning guitar for beginner and I put this clause
so what is the mistake in this clause and how to correct it
Nader - Classical guitar
This is a site to learning some lessons
for beginners with sheet note and pic animation and video

[Tdol]

This is a site with lessons for beginners to learn, with sheet music, animation and video.