--- a/slides/slides02.tex	Tue Sep 29 12:52:07 2020 +0100
+++ b/slides/slides02.tex	Tue Sep 29 19:35:11 2020 +0100
@@ -601,6 +601,7 @@
 
 \begin{center}
 \begin{tabular}{rl}
+0: & \bl{$\ONE$}\\    
 1: & \bl{$a$}\\
 2: & \bl{$a\cdot a$}\\
 3: & \bl{$a\cdot a\cdot a$}\\
@@ -773,12 +774,13 @@
     axis lines=left,
     width=9cm,
     height=5.5cm, 
-    legend entries={Java 8, Python, JavaScript},  
+    legend entries={Java 8, Python, JavaScript, Swift},  
     legend pos=north west,
     legend cell align=left]
 \addplot[blue,mark=*, mark options={fill=white}] table {re-python2.data};
 \addplot[cyan,mark=*, mark options={fill=white}] table {re-java.data};
 \addplot[red,mark=*, mark options={fill=white}] table {re-js.data};
+\addplot[magenta,mark=*, mark options={fill=white}] table {re-swift.data};
 \end{axis}
 \end{tikzpicture}
 \end{center}