diff --git a/.gitignore b/.gitignore
index 760724524eb2c7301dd2f066b3ff3334c29f2ee1..67fa567f679ff24daf992a0d2b24821e43fba857 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,5 @@
 # Project specific
-paper.pdf
-llncsdoc.pdf
-article-template.zip
+presentation.pdf
 
 # Created by https://www.gitignore.io/api/visualstudiocode,linux,latex
 # Edit at https://www.gitignore.io/?templates=visualstudiocode,linux,latex
diff --git a/presentation.pdf b/presentation.pdf
deleted file mode 100644
index f545c937627186ffc8bdd44121f3c627e79900bc..0000000000000000000000000000000000000000
Binary files a/presentation.pdf and /dev/null differ
diff --git a/presentation.tex b/presentation.tex
index 7bfeeb1397742c48402d7f15c5bfc41b0d790d30..e88b2f41ef10ada59f16d880c00731c9f7d50051 100644
--- a/presentation.tex
+++ b/presentation.tex
@@ -3,19 +3,19 @@
 \usepackage[T1]{fontenc}
 \title{There Is No Largest Prime Number}
 \date[ISPN ’80]{27th International Symposium of Prime Numbers}
-\author[Euclid]{Euclid of Alexandria \hfill{\small\texttt{euclid@alexandria.edu}}}
+\author[Euclid]{Euclid of Alexandria {\small\texttt{<euclid@alexandria.edu>}}}
 
 \usetheme{hhubeamer}
 
 \begin{document}
 
 \begin{frame}
-\titlepage
+  \titlepage
 \end{frame}
 
 \begin{frame}
-\frametitle{foo}
-Lorem
+  \frametitle{foo}
+  Lorem
 \end{frame}
 
 \end{document}