check

book.tex

@@ -3575,7 +3575,7 @@ takes an interference graph and a list of all the variables in the
 program. This function should return a mapping of variables to their
 colors (represented as natural numbers). By creating this helper
 function, you will be able to reuse it in Chapter~\ref{ch:functions}
-when you add support for functions.  To prioritize the process of
+when you add support for functions.  To prioritize the processing of
 highly saturated nodes inside your \code{color-graph} function, we
 recommend using the priority queue data structure (see the side bar on
 the right). Note that you will also need to maintain a mapping from