diff --git a/Applications/DisparityMap/otbStereoFramework.cxx b/Applications/DisparityMap/otbStereoFramework.cxx
index bc5b51dfc30a0d21de5897fec7fb9602fc8dfd38..85c901256269dcf4b746902bfb1274f97cce06d6 100644
--- a/Applications/DisparityMap/otbStereoFramework.cxx
+++ b/Applications/DisparityMap/otbStereoFramework.cxx
@@ -315,7 +315,7 @@ private:
   void DoInit()
   {
     SetName("StereoFramework");
-    SetDescription("Compute the ground elevation based on a one or multiple stereo pair(s)");
+    SetDescription("Compute the ground elevation based on one or multiple stereo pair(s)");
 
     SetDocName("Stereo Framework");
     SetDocLongDescription("Compute the ground elevation with a stereo block matching algorithm "