diff --git a/src/include/Commons.h b/src/include/Commons.h
index 8c386f7c375497deceb677229a38656b87edc9fe..88958c8d8ff15b9b45f38b5f2f3d717c276f22d8 100644
--- a/src/include/Commons.h
+++ b/src/include/Commons.h
@@ -294,11 +294,11 @@ public:
   const int &npnt = _npnt;
   //! \brief Read-only view on number of points for numerical integration in transition layer.
   const int &npntts = _npntts;
-  //! \brief Matrix of inverse radial M coefficients.
+  //! \brief Matrix of Mie scattering b-coefficients for different orders and spheres.
   dcomplex **rmi;
-  //! \brief Matrix of inverse radial E coefficients.
+  //! \brief Matrix of Matrix of Mie scattering a-coefficients for different orders and spheres.
   dcomplex **rei;
-  //! \brief Matrix of W coefficients.
+  //! \brief Matrix of multipole amplitudes for incident and scattered fields.
   dcomplex **w;
   //! \brief Vector of intensity components.
   dcomplex *vint;
@@ -320,7 +320,7 @@ public:
   dcomplex *ris;
   //! \brief TBD
   dcomplex *dlri;
-  //! \brief TBD
+  //! \brief Vector of dielectric constants.
   dcomplex *dc0;
   //! \brief TBD
   dcomplex *vkt;