Canonical Chimera URL now uses https
@@ -104,7 +104,7 @@ about:
source C++ and Python toolbox for solving complex modeling problems, and a
number of applications for tackling some common problems in a user-friendly
way. IMP can also be used from the
- [Chimera](http://www.cgl.ucsf.edu/chimera/) molecular modeling system,
+ [Chimera](https://www.cgl.ucsf.edu/chimera/) molecular modeling system,
or via one of several web applications.
See [the IMP website](https://integrativemodeling.org/) for more details.
