diff --git a/loki/transformations/idempotence.py b/loki/transformations/idempotence.py
index a68638c91..61d9225df 100644
--- a/loki/transformations/idempotence.py
+++ b/loki/transformations/idempotence.py
@@ -10,8 +10,9 @@
 
 class IdemTransformation(Transformation):
     """
-    A custom transformation pipeline that primarily does nothing,
-    allowing us to test simple parse-unparse cycles.
+    A custom transformation that does absolutely nothing!
+
+    This can be used to test simple parse-unparse cycles.
     """
 
     def transform_subroutine(self, routine, **kwargs):