How to write description of YouTube video

Description of video is part which is not written properly in most of the cases. Most of the YouTubers make awesome videos but they forget to write good description due to this their video to no get good views or only selective videos get good views. Description is not only important for search engine optimization but also for community building.
Follow the steps given below to write an awesome description.

1. Start description with catchy line because YouTube shows only few lines of description until clicked.
2. Write the aim of video.
3. Explain the title of video in 2-3 lines since initial part of description is very important for SEO.
4. device video in 1 or 2 paras and write what is inside video.
5. Provide links of some your videos (if related to current video then preferred)
6. Give your social network links
7. And one appeal for Subscribe button click.

A video without description is like a doing great in nets but failing in match.