diff --git a/kpops/utils/yaml.py b/kpops/utils/yaml.py
index 3f696a07c..24d94312b 100644
--- a/kpops/utils/yaml.py
+++ b/kpops/utils/yaml.py
@@ -80,6 +80,7 @@ def substitute_nested(input: str, **kwargs) -> str:
 def print_yaml(data: Mapping | str, substitution: dict | None = None) -> None:
     """Print the generated component definition.
 
+    :param data: YAML document
     :param substitution: Substitution dictionary, defaults to None
     """
     if not isinstance(data, str):