Typo fix

Doc/lib/librlcompleter.tex

@@ -58,6 +58,6 @@ keywords (as defined by the \refmodule{keyword} module).
 
 If called for a dotted name, it will try to evaluate anything without
 obvious side-effects (functions will not be evaluated, but it
-can generate calls to \method{__getattr__()}) upto the last part, and
+can generate calls to \method{__getattr__()}) up to the last part, and
 find matches for the rest via the \function{dir()} function.
 \end{methoddesc}