### Mailable description of changes
 - **Needs to be understandable by webknossos mailing list people.**
 - **If the PR is not relevant to the mailing list, remove this whole paragraph.**
 - e.g. *- Deleting large trees will no longer cause webknossos to freeze.*:

### Steps to test:
- abc

### Issues:
- fixes #123

------
- [ ] Ready for review

### Mailable description of changes:
 - **Needs to be understandable by webknossos mailing list people.**
 - **If the PR is not relevant to the mailing list, remove this whole paragraph.**
 - e.g. *- Deleting large trees will no longer cause webknossos to freeze.*

### Steps to test:
- abc

### Issues:
- fixes #123

------
- [ ] Ready for review

Change position of colon in PR template
Change position of colon in PR template