Update presentation date

Author: andrewdotn

presentation.tex

@@ -81,10 +81,12 @@
 
 \title{git init}
 
+\subtitle{https://github.com/py-yyc/git-init}
+
 \author{\texorpdfstring{%
     Andrew Neitsch}{Andrew Neitsch}}
 
-\date{\small 2018-01-24}
+\date{\small 2020-02-10}
 
 \begin{document}
 
@@ -148,7 +150,7 @@ \section{Version control}
 
 \begin{frame}{Benefits of version control}
 \begin{itemize}
-\only<1->{\item \textbf{diff}} \only<1>{show you what you’ve change so you
+\only<1->{\item \textbf{diff}} \only<1>{show you what you’ve changed so you
 can review it}
 \only<2->{\item \textbf{backups and undo}} \only<2>{you can go back to a
 known good state, or selectively revert a specific change, if things start