diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 89af655..be992d4 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,7 +10,7 @@ Major Features and Improvements
 - added CMSShape PDF
 - added Cruijff PDF
 - added ErfExp PDF
-- added Tsalis PDF
+- added Tsallis PDF
 
 Breaking changes
 ------------------