Help dialogue for (my [ v]) is really big

Please fill out these questions for all feature requests and bug reports. If you're requesting a feature, please let us know why this feature is important or useful, not just what it should do.

  1. What browsers show this problem? Google Chrome
  2. Please share an example project (if possible). No
  3. Describes the steps to reproduce this issue.
    Right click on the (my [ v]) block in Sensing and click "Help".
  4. What does Snap! currently do?
    The help dialogue fills the whole page because it's too big!
  5. What should Snap! do instead?
    Make the help dialogue smaller so it fits in the page.

All of the other help dialogues are the right size.

Good catch, thanks! Will be fixed as soon as Jens pulls it.