How to write keywords?

Hello!! I wrote a lengthy instructable..After all , it gives the edit options...Which includes title , keywords , categories and channel...But when i enters a keyword , it says " please enter keywords " .. i tried again and again .. 2 words or 5 words...I tried but still it says please enter keywords...What can I do ?? Regards Miss Crystal Shine ❤

Huh! You may be running into a bug. Try entering your keyword or keyword phrase and then hit enter - that should work! If not, you may need to try another web browser. If that still doesn't work, I'd recommend clearing your cookies and cache in whatever web browsers you're using! There have been quite a few site updates lately, so that may be affecting the site for you. :)