Some docs

diff --git a/src/MEDCoupling/MEDCouplingUMesh.cxx b/src/MEDCoupling/MEDCouplingUMesh.cxx
index 53d270d73d1b0eb74cdb4a66260ff3b823f35c7e..a76b4e8b0f23642607340f105a8a89e29290595b 100644 (file)
--- a/src/MEDCoupling/MEDCouplingUMesh.cxx
+++ b/src/MEDCoupling/MEDCouplingUMesh.cxx
@@ -3641,7 +3641,8 @@ MEDCouplingFieldDouble *MEDCouplingUMesh::getMeasureFieldOnNode(bool isAbs) cons
 
 /*!
  * Returns a new MEDCouplingFieldDouble holding normal vectors to cells of \a this
- * mesh. The computed vectors have <em> this->getMeshDimension()+1 </em> components
+ * mesh. The returned normal vectors to each cell have a norm2 equal to 1.
+ * The computed vectors have <em> this->getMeshDimension()+1 </em> components
  * and are normalized.
  * <br> \a this can be either 
  * - a  2D mesh in 2D or 3D space or