diff --git a/makethin.tex b/makethin.tex
index 34918de..81ff715 100644
--- a/makethin.tex
+++ b/makethin.tex
@@ -88,7 +88,7 @@ \section{Controlling the number of slices}
 elements to a single thin slice positioned at the centre of the original
 thick element.
 
-Note that \texttt{THICK=true} only applies to dipole or quadrupole magnetic
+Note that \texttt{THICK=true} only applies to dipole, quadrupole or solenoid magnetic
 elements and is ignored otherwise.
 
 \texttt{MAKETHIN} allows for thick quadrupole slicing with insertion of