--- a/ninems/ninems.tex	Sun Aug 18 22:19:46 2019 +0100
+++ b/ninems/ninems.tex	Sun Aug 18 22:21:01 2019 +0100
@@ -1331,7 +1331,7 @@
 \addplot[cyan,mark=*, mark options={fill=white}] table {good-java.data};
 \end{axis}
 \end{tikzpicture}\\
-\multicolumn{3}{c}{Graphs: Runtime for matching $(a^*)^*\,b$ with strings 
+\multicolumn{3}{c}{Graphs: Runtime for matching $a^*\,b$ with strings 
            of the form $\underbrace{aa..a}_{n}$.}
 \end{tabular}    
 \end{center}