diff --git a/Code/Projections/otbPleiadesPToXSAffineTransformCalculator.h b/Code/Projections/otbPleiadesPToXSAffineTransformCalculator.h
index aae59f0c9dab7b2d27c99b0e839140ddb9c6d626..3bf2473518c997ba4872ca9f347d7fd5c99c075c 100644
--- a/Code/Projections/otbPleiadesPToXSAffineTransformCalculator.h
+++ b/Code/Projections/otbPleiadesPToXSAffineTransformCalculator.h
@@ -61,7 +61,7 @@ public:
   /** 
    * This function checks if the transform calculation applies to the
    * given pair of images. Checked items are:
-   * - Both images are sucessfully undertood by OTB as Pléiades images,
+   * - Both images are sucessfully undertood by OTB as Pleiades images,
    * - Both images processing level is SENSOR",
    * - XS and Pan ids (except last 4 letters) are equal.
    * \return True if the calculation applies