typos, layout and other small things
diff --git a/Doc/lib/libstring.tex b/Doc/lib/libstring.tex
index 960e94b..17717df 100644
--- a/Doc/lib/libstring.tex
+++ b/Doc/lib/libstring.tex
@@ -70,7 +70,7 @@
 \samp{0} means 8, anything else means 10.  If \var{base} is 16, a
 leading \samp{0x} or \samp{0X} is always accepted.  (Note: for a more
 flexible interpretation of numeric literals, use the built-in function
-\code{eval()}.
+\code{eval()}.)
 \bifuncindex{eval}
 \end{funcdesc}