Added note about compiling twice for cross-references

lbol.tex

@@ -701,10 +701,9 @@ As usefule as \verb+\verb+ is, it has one drawback: it does not wrap. That is, i
 
 The only way around that is to break that text into two parts like this: 
 
-\begin{verbatim}
-\verb|This text is longer| \\ \verb|than the line length and w
-ill simply go off the page|
-\end{verbatim}
+\begin{Verbatim}[breaklines=true]
+\verb|This text is longer than the line length| \\ \verb| and will simply go off the page|
+\end{Verbatim}
 
 It works, but it's clunky. If you change anything around those two \texttt{verb} commands, you'll need to adjust what is contained within each of them.
 
@@ -953,6 +952,8 @@ Internal references (i.e., cross-references) are explained in section \ref{examp
 
 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.
 
+Keep in mind that you will need to compile your document \textbf{twice}. The first time \LaTeX{} will figure out which page each \texttt{label} is on. The second time, it will plug those pages numbers into the \texttt{ref} and \texttt{pageref} commands.
+
 \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. 
@@ -1112,8 +1113,6 @@ But yeah, you should definitely resize your images before including them in any
 	\item If you want to add a degree symbol to inline text, the simplest way I've found (so far) is to just pop in and out of math mode with this: \verb|$^{\circ}$| which gives you this: $^{\circ}$
 \end{itemize}
 
-\chapter{Miscellaneous Things}
-
 \chapter{Troubleshooting}
 
 \section{Minimal Working Examples}