Typos

Author: AllenDowney

ch00.tex

@@ -173,7 +173,7 @@ \section*{Using the Code Examples}
 \item Alternatively, you could clone the original repository without forking.
 If you choose this option, you don't need a GitHub account, but you won't be able to save your changes on GitHub.
 
-\item If you don't want to use Git at all, you can download the code in a ZIP archive using the {\sf Clone or download} button on the GitHub page, or this link: \url{https://thinkjava.org/code2zip}.
+\item If you don't want to use Git at all, you can download the code in a ZIP archive using the {\sf Clone} button on the GitHub page, or this link: \url{https://thinkjava.org/code2zip}.
 
 \end{itemize}
 

ch15.tex

@@ -1,7 +1,7 @@
 \chapter{Arrays of Arrays}
 \label{conway}
 
-The last two chapters of this book use 2D graphics to illustrate more advanced object-oriented concepts.
+The last three chapters of this book use 2D graphics to illustrate more advanced object-oriented concepts.
 If you haven't yet read Appendix~\ref{graphics}, you might want to read it now and become familiar with the \java{Canvas}, \java{Color}, and \java{Graphics} classes from the \java{java.awt} package.
 In this chapter, we use these classes to draw images and animations, and to run graphical simulations.