diff --git a/doc/musrSim.pdf b/doc/musrSim.pdf
index ff30f12..35d1f65 100644
Binary files a/doc/musrSim.pdf and b/doc/musrSim.pdf differ
diff --git a/doc/musrSim.tex b/doc/musrSim.tex
index 8fd8a3f..b1f47e6 100644
--- a/doc/musrSim.tex
+++ b/doc/musrSim.tex
@@ -711,8 +711,9 @@ This way the smearing of the vertex as well as beam tilt/pitch are propagated th
 	all initial particles (muons) regardless on their distance from the centre of the beam.\\
 	(Applicable also to TURTLE input).
 
-\item{\bf /gun/tiltsigma \emph{xangleSigma} \emph{yangleSigma} \emph{dummy} \emph{unit}}\\
-	Gaussian smearing of the tilt angle.\\
+\item{\bf /gun/tiltsigma \emph{xangleSigma} \emph{yangleSigma} \emph{zangleSigma} \emph{unit}}\\
+	Gaussian smearing of the tilt angle, if zangleSigma $>= 0$\\
+	generation of $\cos\Theta$ distribution, if zangleSigma $< 0$.\\
 	(Presently ignored by the TURTLE input).
 
 \item{\bf /gun/pitch \emph{pitch} \emph{unit}}\\
@@ -1361,7 +1362,7 @@ shoot electrons into a scintillator block, and to observe the energy deposited i
 Figure~\ref{vis101}
 %
 \begin{figure}[tb]\centering
-\epsfig{file=pict/vis_101_c.eps,width=8cm,%\linewidth,%
+\epsfig{file=pict/vis_101_a.eps,width=8cm,%\linewidth,%
 %bbllx=83pt,bblly=330pt,bburx=538pt,bbury=513pt,
 clip=}
 \caption{A simple simulation of an electron passing through two