..

Doc/UserManual/Assemblies.tex

@@ -562,7 +562,7 @@ correlation function is given by:
 Using standard relations for the Dirac comb,
 one obtains the interference function
 \begin{equation}
-   \SD(\q) = \frac{2\pi}{a}\sum_k \delta\left(q_x - \frac{2\pi k}{a}\right),
+     \SD(\q) = \frac{2\pi}{a}\sum_k \delta\left(q_x - \frac{2\pi k}{a}\right),
 \end{equation}
 which has the reciprocal lattice period $2\pi/a$.