diff --git a/doc/Eqs/fix_nh1.jpg b/doc/Eqs/fix_nh1.jpg
index db59dbc43e..af07ea3a4b 100644
Binary files a/doc/Eqs/fix_nh1.jpg and b/doc/Eqs/fix_nh1.jpg differ
diff --git a/doc/Eqs/fix_nh1.tex b/doc/Eqs/fix_nh1.tex
index f6928495ce..3e780f2772 100644
--- a/doc/Eqs/fix_nh1.tex
+++ b/doc/Eqs/fix_nh1.tex
@@ -20,8 +20,9 @@
 \exp \left(\iu{} L_{2}^{(2)} \frac{\Delta t}{2} \right) \\
 &&\times \left[ 
 \exp \left(\iu{} L_{2}^{(1)} \frac{\Delta t}{2n} \right)
-\exp \left(\iu{} L_{\epsilon , 1} \frac{\Delta t}{n} \right)
+\exp \left(\iu{} L_{\epsilon , 1} \frac{\Delta t}{2n} \right)
 \exp \left(\iu{} L_1 \frac{\Delta t}{n} \right)
+\exp \left(\iu{} L_{\epsilon , 1} \frac{\Delta t}{2n} \right)
 \exp \left(\iu{} L_{2}^{(1)} \frac{\Delta t}{2n} \right)
 \right]^n \\
 &&\times