diff --git a/Doc/FFCatalog/FFCatalog.pdf b/Doc/FFCatalog/FFCatalog.pdf
index eb38b8d9bd3a819047d8093a1ed7ca703f8d32e2..e12c6a0fe9a55e091b817237bff2b5d00fc4b6b5 100644
Binary files a/Doc/FFCatalog/FFCatalog.pdf and b/Doc/FFCatalog/FFCatalog.pdf differ
diff --git a/Doc/FFCatalog/FormFactors.tex b/Doc/FFCatalog/FormFactors.tex
index 8793695d3e6cf52540ea48b84655d6fe17d41255..65df251b5fe6f44693c835bbebd2b3e2263fc923 100644
--- a/Doc/FFCatalog/FormFactors.tex
+++ b/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.