diff --git a/src/ctapipe/image/extractor.py b/src/ctapipe/image/extractor.py
index 8f7c3a34bbd..6b834560bd2 100644
--- a/src/ctapipe/image/extractor.py
+++ b/src/ctapipe/image/extractor.py
@@ -1303,8 +1303,7 @@ def __call__(
 class VarianceExtractor(ImageExtractor):
 
     """
-    Extractor that calculates
-    the variance of each sample waveform
+    Calculates the variance of each sample waveform
 
     """