diff --git a/CHANGELOG.md b/CHANGELOG.md
index e843e99f29c2015292b823bd8ebc41bcc840acd0..d04329ed20eb29f51a4f9d149c2dca7a4cf6f240 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -87,9 +87,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Units for properties. They can be specified by giving the property as a dict in the form
   ```yaml
   MyRecord:
-	my_prop:
-	  value: 5
-	  unit: m
+    my_prop:
+      value: 5
+      unit: m
   ```
 - Support for Python 3.13
 - ROCrateConverter, ELNFileConverter and ROCrateEntityConverter for crawling ROCrate and .eln files