fix: add missing slash to jump_url property

[amycatgirl]

Summary

Fixes what seems to be a typo in the jump_url

Checklist

• [ ] If code changes were made then they have been tested.
  • [ ] I have updated the documentation to reflect the changes.
• [x] This PR fixes an issue.
• [ ] This PR adds something new (e.g. new method or parameters).
• [ ] This PR is a breaking change (e.g. methods or parameters removed/renamed)
• [ ] This PR is not a code change (e.g. documentation, README, …)

[2vw]

smh beat me too it