diff --git a/lbol.tex b/lbol.tex
index 4b04858..4d38aad 100644
--- a/lbol.tex
+++ b/lbol.tex
@@ -951,6 +951,8 @@ Internal references (i.e., cross-references) are explained in section \ref{examp
 
 \krule{8pt}{8pt}
 
+jI very rarely use cross references and so I am not terribly adept at their many uses. They are a powerful feature of \LaTeX{} though, so if you are interested, I urge you to visit \kref{https://en.wikibooks.org/wiki/LaTeX/Labels_and_Cross-referencing}{https://en.wikibooks.org/wiki/LaTeX/Labels\_and\_Cross-referencing} for more detailed information.
+
 \section{Bibliographies}
 
 \LaTeX{} has two major ways of handling bibliographies: an embedded system using the \texttt{bibitem} command, and an external system using \texttt{BibTeX}. Both systems have their advantages and disadvantages.