Change the paragraph to have better cohesiveness:
Wikipedia is an online encyclopedia and, as a means to that end, an online community of individuals interested in building and using a high-quality encyclopedia. There are certain things that encyclopedia is not and common mistakes that should be avoided.
Wikipedia is an online encyclopedia and, as a means to that end, an online community of individuals interested in building and using a high-quality encyclopedia. Therefore, there are certain things that Wikipedia is not and common mistakes that should be avoided.