diff --git a/doc/Eqs/min_energy.jpg b/doc/Eqs/min_energy.jpg
index bdd8fb075e..e19f5a2926 100644
Binary files a/doc/Eqs/min_energy.jpg and b/doc/Eqs/min_energy.jpg differ
diff --git a/doc/Eqs/min_energy.tex b/doc/Eqs/min_energy.tex
index a8af8fb805..0af6b2ac62 100644
--- a/doc/Eqs/min_energy.tex
+++ b/doc/Eqs/min_energy.tex
@@ -3,11 +3,11 @@
 \begin{document}
 
 \begin{eqnarray*}
-E(r_1,r_2, \ldots ,r_N) & = & \sum_{i,j} \phi_{i,j}(r_i,r_j) + 
-                              \sum_{ij} B_{i,j}(r_i,r_j) +
-                              \sum_{ijk} A_{i,j}(r_i,r_j,r_k) + \\
-                           && \sum_{ijkl} D_{i,j}(r_i,r_j,r_k,r_l) +
-                              \sum_{ijkl} I_{i,j}(r_i,r_j,r_k,r_l) +
+E(r_1,r_2, \ldots ,r_N) & = & \sum_{i,j} \phi_{ij}(r_i,r_j) + 
+                              \sum_{ij} B_{ij}(r_i,r_j) +
+                              \sum_{ijk} A_{ijk}(r_i,r_j,r_k) + \\
+                           && \sum_{ijkl} D_{ijkl}(r_i,r_j,r_k,r_l) +
+                              \sum_{ijkl} I_{ijkl}(r_i,r_j,r_k,r_l) +
                               \sum_i F_i(r_i) 
 \end{eqnarray*}