Seems to be a typo - "to" instead of "too".

documentationsupport/RichBowen.tex

@@ -66,7 +66,7 @@ \section*{Laziness}
 \section*{Patience}
 There is a tendency in the technical documentation world to be impatient and
 belligerent. The sources of this impatience are numerous. Some people feel that,
-since they had to work hard to figure this stuff out, you should to. Many of us
+since they had to work hard to figure this stuff out, you should too. Many of us
 in the technical world are self-taught, and we have very little patience for
 people who come after us and want a quick road to success.