Typos

- Fix various typos in comments and documentation.

Signed-off-by: Paul Beckingham <paul@beckingham.net>

src/util.cpp

@@ -200,7 +200,7 @@ int autoComplete (
   const std::string& partial,
   const std::vector<std::string>& list,
   std::vector<std::string>& matches,
-  int minimum/* = 2*/)
+  int minimum/* = 1*/)
 {
   matches.clear ();