Update changelog.md

DocVi · web-flow · commit 1b1cd9550c80 · 2022-12-19T11:59:28.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.1.0]
+Make example work with python 3.9.  
+Use ezc3d library to read and write c3d files.
+
 ## [1.0.0]
 
-Migrated examples from paf-resources.
+Migrated examples from paf-resources.
