diff --git a/source/trunk/Model/XS/XSM_CLOSEST.hxx b/source/trunk/Model/XS/XSM_CLOSEST.hxx
index a41cbf1bfc2a353232c95d23674662d0fc47cfe4..6f79fb1001b14d211f31984c2479b400b7535a03 100644
--- a/source/trunk/Model/XS/XSM_CLOSEST.hxx
+++ b/source/trunk/Model/XS/XSM_CLOSEST.hxx
@@ -21,7 +21,7 @@ typedef long long int cSecond;
 using namespace std;
 
 //-----------------------------------------------------------------------------//
-//! Define a XSModel getting mean cross sections from the closest EvolutionData 
+//! Defines a XSModel getting mean cross sections from the closest EvolutionData 
 
 /*!
  Define a XSM_CLOSEST.
diff --git a/source/trunk/Model/XS/XSM_MLP.hxx b/source/trunk/Model/XS/XSM_MLP.hxx
index 529b8af9217f4ccd50a53d9edd9aecd7e9567f97..03570b303d5464139d3a3ed6397af2fedafdd389 100644
--- a/source/trunk/Model/XS/XSM_MLP.hxx
+++ b/source/trunk/Model/XS/XSM_MLP.hxx
@@ -22,7 +22,7 @@ typedef long long int cSecond;
 using namespace std;
 
 //-----------------------------------------------------------------------------//
-//! Define a XSModel getting mean cross sections from neural network execution
+//! Defines a XSModel getting mean cross sections from neural network execution
 
 /*!
  Define a XSM_MLP.