corrected typo

Author: simongravelle

lammps-tutorials.tex

@@ -2548,7 +2548,7 @@ \subsubsection{System preparation}
 of the water molecules.  The \lmpcmd{kbond} keyword specifies the force constant that will be
 used to apply a restraint force when used during minimization.  This last keyword is important
 here, because the spring constants of the rigid water molecules were set
-to 0 (see the \flecmd{parameter.inc} file).
+to 0 (see the \flecmd{parameters.inc} file).
 % Similar to the \lmpcmd{fix nve} command, the \lmpcmd{fix nve/limit} command performs constant
 % NVE integration to update the positions and velocities of the atoms at each
 % timestep.  The difference is that \lmpcmd{fix nve/limit} also limits the maximum