diff --git a/src/ess/reflectometry/tools.py b/src/ess/reflectometry/tools.py
index 07c92df..33065ee 100644
--- a/src/ess/reflectometry/tools.py
+++ b/src/ess/reflectometry/tools.py
@@ -196,7 +196,7 @@ def scale_reflectivity_curves_to_overlap(
         is a list of the scaling factors that should be applied.
         If False (default) the function returns the scaled curves.
 
-    Returns:
+    Returns
     ---------
     :
         A list of scaled reflectivity curves or a list of scaling factors.