diff --git a/Lectures_my/NumMet/Lecture1/mchrzasz.tex b/Lectures_my/NumMet/Lecture1/mchrzasz.tex
index e484955..412d1ce 100644
--- a/Lectures_my/NumMet/Lecture1/mchrzasz.tex
+++ b/Lectures_my/NumMet/Lecture1/mchrzasz.tex
@@ -231,7 +231,7 @@
 	\vspace{3em}
 \begin{columns}
 \begin{column}{0.6\textwidth}
-\flushright \vspace{-1.8em} {\fontspec{Trebuchet MS} \large Marcin Chrząszcz, Dany van Dyk\\\vspace{-0.1em}\small \href{mailto:mchrzasz@cern.ch}{mchrzasz@cern.ch}, \href{mailto:dany.van.dyk@gmail.com}{danny.van.dyk@gmail.com}}
+\flushright \vspace{-1.8em} {\fontspec{Trebuchet MS} \large Marcin Chrząszcz, Danny van Dyk\\\vspace{-0.1em}\small \href{mailto:mchrzasz@cern.ch}{mchrzasz@cern.ch}, \href{mailto:dany.van.dyk@gmail.com}{danny.van.dyk@gmail.com}}
 
 \end{column}
 \begin{column}{0.4\textwidth}
diff --git a/Lectures_my/NumMet/Lecture2/mchrzasz.tex b/Lectures_my/NumMet/Lecture2/mchrzasz.tex
index 224361e..16a204d 100644
--- a/Lectures_my/NumMet/Lecture2/mchrzasz.tex
+++ b/Lectures_my/NumMet/Lecture2/mchrzasz.tex
@@ -231,7 +231,7 @@
 	\vspace{3em}
 \begin{columns}
 \begin{column}{0.6\textwidth}
-\flushright \vspace{-1.8em} {\fontspec{Trebuchet MS} \large Marcin Chrząszcz, Dany van Dyk\\\vspace{-0.1em}\small \href{mailto:mchrzasz@cern.ch}{mchrzasz@cern.ch}, \href{mailto:dany.van.dyk@gmail.com}{danny.van.dyk@gmail.com}}
+\flushright \vspace{-1.8em} {\fontspec{Trebuchet MS} \large Marcin Chrząszcz, Danny van Dyk\\\vspace{-0.1em}\small \href{mailto:mchrzasz@cern.ch}{mchrzasz@cern.ch}, \href{mailto:dany.van.dyk@gmail.com}{danny.van.dyk@gmail.com}}
 
 \end{column}
 \begin{column}{0.4\textwidth}