Doc V(octahedron)

Doc/FFCatalog/FormFactors.tex

@@ -1290,7 +1290,7 @@ with the parameters
   F\text{~: computed using the generic polyhedron form factor~\cite{Wut17},}
 \end{equation*}
 \begin{equation*}
-  V= \dfrac{? L^3}{1},
+  V= \dfrac{\sqrt{2} L^3}{3},
 \end{equation*}
 \begin{equation*}
   S =L^2.