diff --git a/qurator/sbb_textline_detector/main.py b/qurator/sbb_textline_detector/main.py
index e70e475..5b2473f 100644
--- a/qurator/sbb_textline_detector/main.py
+++ b/qurator/sbb_textline_detector/main.py
@@ -34,7 +34,7 @@ with warnings.catch_warnings():
 
 __doc__ = \
     """
-    tool to extract table form data from alto xml data
+    tool to extract text lines from document images
     """