diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e86f955..e1931c63 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### `Changed`
 
-- Update output file name prefix for upd and chromograph [#620](https://github.com/nf-core/raredisease/pull/620)
+- Update output file name prefix for upd and chromograph to sample-based [#620](https://github.com/nf-core/raredisease/pull/620)
 - Update tools [#619](https://github.com/nf-core/raredisease/pull/619)
 - Report only variants above 5% heteroplasmy in the clinical vcf file for mitochondria [#616](https://github.com/nf-core/raredisease/pull/616)