diff --git a/Drell_Yan/LHCbweek_12_2015/mchrzasz.log b/Drell_Yan/LHCbweek_12_2015/mchrzasz.log
index 580c8ce..0d9bc2f 100644
--- a/Drell_Yan/LHCbweek_12_2015/mchrzasz.log
+++ b/Drell_Yan/LHCbweek_12_2015/mchrzasz.log
@@ -1,4 +1,4 @@
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diff --git a/Drell_Yan/LHCbweek_12_2015/mchrzasz.pdf b/Drell_Yan/LHCbweek_12_2015/mchrzasz.pdf
index a9ff7c3..5df1e8e 100644
--- a/Drell_Yan/LHCbweek_12_2015/mchrzasz.pdf
+++ b/Drell_Yan/LHCbweek_12_2015/mchrzasz.pdf
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diff --git a/Drell_Yan/LHCbweek_12_2015/mchrzasz.tex b/Drell_Yan/LHCbweek_12_2015/mchrzasz.tex
index 44670b3..2ed1d6c 100644
--- a/Drell_Yan/LHCbweek_12_2015/mchrzasz.tex
+++ b/Drell_Yan/LHCbweek_12_2015/mchrzasz.tex
@@ -285,7 +285,7 @@
 \begin{itemize}
 \item Analysis moved to stripping 20.
 \item Plan is to measure separately $7~\TeV$ and $8~\TeV$ data.
-\item In addition we will provide the ratio of both samples), where the systematic uncertainties cancel.
+\item In addition we will provide the ratio of both samples), where many systematic cancel.
 \item Overall observed a good agreement between 2011 and 2012 data.
 \item Requested large MC sample to reduce the systematics errors.
 \item Analysis aims at DIS 2016.
@@ -304,7 +304,8 @@
 \begin{frame}\frametitle{Isolation}
 \begin{itemize}
 \item Drell-Yan unfortunately do not peak in mass $\twoheadrightarrow$ need another variable to control the purity.
-\item Instead we define an isolation variable:
+\item Find mass independent isolation variable such that the signal template can be determined from data. 
+\item We define an isolation variable:
 \begin{align*}
 \mu_{ {\rm{iso}}} = \log(p_T^{ cone}(\mu, 0.5) - p_T^{ cone}(\mu, 0.1))
 \end{align*}
@@ -323,19 +324,20 @@
 
 \end{center}
 \end{frame}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}\frametitle{Isolation mass dependence}
-\begin{itemize}
-\item Unfortunately the $\mu\mu_{iso}$ is showing some mass dependence:
-\end{itemize}
-\begin{center}
-\includegraphics[width=0.75\textwidth]{images/DY.png}
-\end{center}
 
 
-\end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
+\begin{frame}\frametitle{Conclusions}
+\begin{itemize}                     
+\item Analysis strategy finalized.
+\item Aim: DIS 2016
+\item Early 2016: WG sign off.
+
+
+\end{itemize}  
+\end{frame}   
 
 \backupbegin