diff --git a/Doc/UserManual/Assemblies.tex b/Doc/UserManual/Assemblies.tex
index c218606f4cf7c08b7fff639c7fd4b462460da7b0..79100e3ce06f55621d6315da9faea06fcf6774f0 100644
--- a/Doc/UserManual/Assemblies.tex
+++ b/Doc/UserManual/Assemblies.tex
@@ -217,7 +217,6 @@ introducing the standard form factor
 \end{equation}
 
 BornAgain comes with a comprehensive library of form factors.
-For general usage instructions, see~\Cref{SintroPFF}.
 Hard-particle form factors are Fourier shape transforms.
 They are available for various spheroids, cylinders, cones, prisms, and polyhedra,
 as listed in~\Cref{SHPFF}.