diff --git a/Doc/lib/libcodecs.tex b/Doc/lib/libcodecs.tex
index 754fba3..be2385e 100644
--- a/Doc/lib/libcodecs.tex
+++ b/Doc/lib/libcodecs.tex
@@ -212,7 +212,7 @@
 \end{datadesc}
 
 
-\subsection{Codec Base Classes}
+\subsection{Codec Base Classes \label{codec-base-classes}}
 
 The \module{codecs} module defines a set of base classes which define the
 interface and can also be used to easily write you own codecs for use
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index c98322b..bf4a3b8 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -590,7 +590,7 @@
 \code{'strict'}, meaning that encoding errors raise
 \exception{UnicodeError}.  Other possible values are \code{'ignore'},
 \code{'replace'} and any other name registered via
-\function{codecs.register_error}.
+\function{codecs.register_error}, see section~\ref{codec-base-classes}.
 \versionadded{2.2}
 \versionchanged[Support for other error handling schemes added]{2.3}
 \end{methoddesc}
@@ -602,7 +602,8 @@
 \code{'strict'}, meaning that encoding errors raise a
 \exception{UnicodeError}.  Other possible values are \code{'ignore'},
 \code{'replace'}, \code{'xmlcharrefreplace'}, \code{'backslashreplace'}
-and any other name registered via \function{codecs.register_error}.
+and any other name registered via \function{codecs.register_error},
+see section~\ref{codec-base-classes}.
 For a list of possible encodings, see section~\ref{standard-encodings}.
 \versionadded{2.0}
 \versionchanged[Support for \code{'xmlcharrefreplace'} and