diff --git a/org/qmckl_electron.org b/org/qmckl_electron.org
index 36daa1a..af124c3 100644
--- a/org/qmckl_electron.org
+++ b/org/qmckl_electron.org
@@ -1256,7 +1256,7 @@ rc = qmckl_get_electron_ee_distance_rescaled(context, ee_distance);
 ** Electron-electron rescaled distance gradients and laplacian with respect to electron coords 
 
   The rescaled distances which is given as $R = (1 - \exp{-\kappa r})/\kappa$ 
-  needs to be perturbed with respect to the electorn and nuclear coordinates.
+  needs to be perturbed with respect to the electorn coordinates.
   This data is stored in the ~ee_distance_rescaled_deriv_e~ tensor. The 
   The first three elements of this three index tensor ~[4][num][num]~ gives the 
   derivatives in the x, y, and z directions $dx, dy, dz$ and the last index
@@ -2025,9 +2025,15 @@ assert (rc == QMCKL_SUCCESS);
 
      #+end_src
 
-
 ** Electron-nucleus rescaled distance gradients and laplacian with respect to electron coords
 
+  The rescaled distances which is given as $R = (1 - \exp{-\kappa r})/\kappa$ 
+  needs to be perturbed with respect to the nuclear coordinates.
+  This data is stored in the ~en_distance_rescaled_deriv_e~ tensor. The 
+  The first three elements of this three index tensor ~[4][num][num]~ gives the 
+  derivatives in the x, y, and z directions $dx, dy, dz$ and the last index
+  gives the Laplacian $\partial x^2 + \partial y^2 + \partial z^2$.
+
 *** Get
 
     #+begin_src c :comments org :tangle (eval h_func) :noweb yes