diff --git a/app/otbSARAltAmbig.cxx b/app/otbSARAltAmbig.cxx
index 608e5a7432fa5d1f962b4e320f6dd3825cc9693a..00165c4dd6d713e5d13158f6bfa4d5fe4237caf6 100644
--- a/app/otbSARAltAmbig.cxx
+++ b/app/otbSARAltAmbig.cxx
@@ -67,7 +67,7 @@ private:
     AddParameter(ParameterType_InputImageList, "inlist", "Input images list (for estimations)");
     SetParameterDescription("inlist", "The list of images to estimate required values (local vecotrs, ambiguity ...).");
 
-    AddParameter(ParameterType_Float, "lat", "Tartget lat (degree)");
+    AddParameter(ParameterType_Float, "lat", "Target lat (degree)");
     SetParameterDescription("lat", "Target Latitude (degree)");
     SetMinimumParameterFloatValue("lat", -90.);
     SetMaximumParameterFloatValue("lat", 90.);