DOC: correct some typos

Code/UtilitiesAdapters/OssimAdapters/otbDEMHandler.h

@@ -35,12 +35,12 @@ namespace otb
  * \brief Single access point for DEM data retrieval
  *
  * This class is the single configuration and access point for
- * elevation handling in images projections and localisation
+ * elevation handling in images projections and localization
  * functions. Since this class is a singleton, the New() method is
  * deprecated and will be removed in future release. Please use the
  * DEMHandler::Instance() method instead.
  *
- * Please be aware that a proper instanciation and parameter setting
+ * Please be aware that a proper instantiation and parameter setting
  * of this class is advised before any call to geometric filters or
  * functionalities. Ossim internal accesses to elevation are also
  * configured by this class and this will ensure consistency
@@ -55,7 +55,7 @@ namespace otb
  * The class allows to retrieve either height above ellipsoid or
  * height above Mean Sea Level (MSL).
  *
- * Here is the complete description of both methods outpout depending
+ * Here is the complete description of both methods output depending
  * on the class configuration for the SRTM DEM (in the following, no
  * SRTM means DEMDirectory not set, or no coverage for point, or
  * srtm_value is no_data).
@@ -72,7 +72,7 @@ namespace otb
  * - SRTM available, but no geoid: srtm_value
  * - No SRTM and no geoid available: 0
  *
- * Please note that OSSIM internal calls for sensor modelling use the
+ * Please note that OSSIM internal calls for sensor modeling use the
  * height above ellipsoid, and follow the same logic as the
  * GetHeightAboveEllipsoid() method.
  *