Update CHANGELOG.md

Author: aborgna-q

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ### Bug Fixes
 
-- panic removing InPorts in MultiPortGraph::set_num_ports ([#191](https://github.com/CQCL/portgraph/pull/191))
+- Fix panic when removing InPorts in MultiPortGraph::set_num_ports ([#191](https://github.com/CQCL/portgraph/pull/191))
 
 ## [0.13.2](https://github.com/CQCL/portgraph/compare/v0.13.1...v0.13.2) - 2025-02-24