diff --git a/layout.sty b/layout.sty
index 148f1629e44d716f113c185db343eeb303efe0ec..f0b21ac1e5947c37114c75571931be01b4de3480 100644
--- a/layout.sty
+++ b/layout.sty
@@ -202,7 +202,7 @@ bookmarks=true]%
 % Argument 2: What to call that directory (e.g. 'the core rules')
 % Argument 3: Which label you're referring to
 \newcommand\exRef[3]{%
-\iftoggle{#1}{\footnote{See the book of \textit{\MakeUppercase#2}, \autopageref{#3} --- \nameref{#3}}}%
+\iftoggle{#1}{\footnote{See the book of \textit{\MakeUppercase#2}, \autopageref{#3} --- \nameref{#3}.}}%
 {}%
 }