diff --git a/doc/user-manual/fpakc_UserManual.tex b/doc/user-manual/fpakc_UserManual.tex
index 45edb36..7e7fdef 100644
--- a/doc/user-manual/fpakc_UserManual.tex
+++ b/doc/user-manual/fpakc_UserManual.tex
@@ -615,7 +615,7 @@ make
       
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
       \subsection{physicalSurfaces}
-        Array of objects that links the named surfaces of the mesh to the models in \textbf{boundaries.particles} and \textbf{boundaries.EM},
+        Array of objects that links the named surfaces of the mesh to the models in \textbf{boundaries.particles} and \textbf{boundaries.EM}.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
       \subsection{inject}