diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex
index 00f305864bd..0eb6841e06c 100644
--- a/Doc/ref/ref4.tex
+++ b/Doc/ref/ref4.tex
@@ -204,5 +204,6 @@ be relied on by code which will run under multiple versions of the
 interpreter.
 \end{notice}
 
-See also the description of the \keyword{try} statement in section
-\ref{try} and \keyword{raise} statement in section \ref{raise}.
+See also the description of the \keyword{try} statement in
+section~\ref{try} and \keyword{raise} statement in
+section~\ref{raise}.