In he future, you can comment via chainBB as it has Voting Power slider so you can use less than 100% of your VP.

You can read your own article here:
https://beta.chainbb.com/steem-help/@crypt07/please-any-one-can-help-me-with-some-tips-here

You will need to login with your Steemit username and private posting key if you haven't done so already.

Then you will see the voting slider next to every vote button.