diff --git a/Applications/Segmentation/otbLSMSSegmentation.cxx b/Applications/Segmentation/otbLSMSSegmentation.cxx
index 7333dd8da0017004a27779fcf8cb28ac0c74b844..31e79c1598e5f922af7b574f8d965dd2af5a98f7 100644
--- a/Applications/Segmentation/otbLSMSSegmentation.cxx
+++ b/Applications/Segmentation/otbLSMSSegmentation.cxx
@@ -232,7 +232,7 @@ private:
     SetMinimumParameterIntValue("tilesizey", 1);
 
     AddParameter(ParameterType_Directory,"tmpdir","Directory where to write temporary files");
-    SetParameterDescription("tmpdir","This applications need to write some temporary files for each tile. This parameters allows to choose the path where to write those files. If disabled, the current path will be used.");
+    SetParameterDescription("tmpdir","This applications need to write temporary files for each tile. This parameter allows choosing the path where to write those files. If disabled, the current path will be used.");
     MandatoryOff("tmpdir");
     DisableParameter("tmpdir");