diff --git a/docs/source/algorithms/DetectorFloodWeighting-v1.rst b/docs/source/algorithms/DetectorFloodWeighting-v1.rst
index a486509ad82a5a2535bd29a7d995c4db88b04bf5..a927538746f9aa995bd3805a09358caf681bcc05 100644
--- a/docs/source/algorithms/DetectorFloodWeighting-v1.rst
+++ b/docs/source/algorithms/DetectorFloodWeighting-v1.rst
@@ -19,7 +19,7 @@ Usage
 
 .. testcode:: DetectorFloodWeightingExample
 
-   import numpy as np
+   import numpy as np 
    # create histogram workspace
    dataX = range(0,10) # or use dataX=range(0,10)
    dataY = [1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2] # or use dataY=[1]*9