diff --git a/tools/background_removal/background_removal.xml b/tools/background_removal/background_removal.xml
index 922a7f5a..41591c2b 100644
--- a/tools/background_removal/background_removal.xml
+++ b/tools/background_removal/background_removal.xml
@@ -19,12 +19,12 @@
     </command>
     <inputs>
         <param name="input_image" type="data" format="tiff, jpg, jpeg, png, tif" label="Input Image"/>
-        <param name="filter" type="select" label="Select Filter">
+        <param name="filter" type="select" label="Method">
             <option value="rolling_ball">Rolling-ball algorithm</option>
             <option value="dog">Difference of Gaussians</option>
             <option value="top_hat">Top-hat filter</option>
         </param>
-        <param name="radius" type="float" label="Radius" value="20"/>
+        <param name="radius" type="float" label="Radius" value="20" help="The radius of the local neighborhood (in pixels)."/>
     </inputs>
     <outputs>
         <data name="output" format="tiff" label="Background substraction output"/>