diff --git a/Code/Wrappers/CommandLine/otbWrapperCommandLineLauncher.cxx b/Code/Wrappers/CommandLine/otbWrapperCommandLineLauncher.cxx
index 9caef6439bee383a0af90318c2201ce28c4cda7e..ba01d3435d87d61a22d8b51de23bc716a79b8586 100644
--- a/Code/Wrappers/CommandLine/otbWrapperCommandLineLauncher.cxx
+++ b/Code/Wrappers/CommandLine/otbWrapperCommandLineLauncher.cxx
@@ -268,7 +268,7 @@ CommandLineLauncher::LoadApplication()
     return;
     }
 
-  // Instanciate the application usingt the factory
+  // Instantiate the application using the factory
   m_Application = ApplicationRegistry::CreateApplication(moduleName);
   
   if (m_Application.IsNull())
@@ -357,7 +357,7 @@ CommandLineLauncher::LoadParameters()
         }
       }
 
-    // If the param is optionnal and hasn't been set : don't do anything
+    // If the param is optional and hasn't been set : don't do anything
     // If the param is mandatory but a default value exists : don't do anything
     if( paramExists )
       {