Missing period in spaces-morphisms

Thanks to Matthieu Romagny
http://stacks.math.columbia.edu/tag/04RH#comment-2456

spaces-morphisms.tex

@@ -7540,7 +7540,7 @@ \section{\'Etale morphisms}
 Let $f : X \to Y$ be a morphism of algebraic spaces over $S$.
 Let $x \in |X|$. We say $f$ is {\it \'etale at $x$} if there
 exists an open neighbourhood $X' \subset X$ of $x$ such that
-$f|_{X'} : X' \to Y$ is \'etale
+$f|_{X'} : X' \to Y$ is \'etale.
 \end{definition}
 
 \begin{lemma}