Extremely minor nit

ca.tex

@@ -11759,7 +11759,7 @@ \section{Inverses of holomorphic functions} \label{sec:inverses}
 
 The inverse function theorem could be used to prove that $f^{-1}$ is
 holomorphic instead of \lemmaref{lemma:holfuncbyintegral}, although the
-fact that we have an integral formula for $f^{-1}$ is very interesting on
+fact that there is an integral formula for $f^{-1}$ is quite interesting on
 its own.
 
 \begin{exbox}