Correct small nits reported by Rob Hooft.
diff --git a/Doc/lib/libgetopt.tex b/Doc/lib/libgetopt.tex
index 0d2f4a0..a9210b0 100644
--- a/Doc/lib/libgetopt.tex
+++ b/Doc/lib/libgetopt.tex
@@ -75,7 +75,7 @@
 \end{verbatim}\ecode
 %
 The exception
-\code{getopt.error = 'getopt.error'}
+\code{getopt.error}
 is raised when an unrecognized option is found in the argument list or
 when an option requiring an argument is given none.
 The argument to the exception is a string indicating the cause of the