diff --git a/docs/source/algorithms/SaveLauenorm-v1.rst b/docs/source/algorithms/SaveLauenorm-v1.rst
index 76406e13336f6cbdd2c211305ab33f3187d10fe0..0ab304c56215c4616a6ac8c7de53e01953a5b927 100644
--- a/docs/source/algorithms/SaveLauenorm-v1.rst
+++ b/docs/source/algorithms/SaveLauenorm-v1.rst
@@ -75,7 +75,7 @@ Output:
     ifile = open(finalfile, 'r')
     lines = ifile.readlines()
     ifile.close()
-    print("Number of peaks in table {}".format(len(lines))
+    print("Number of peaks in table {}".format(len(lines)))
 
 Output: