Rework some wording.

Doc/lib/libxmlrpclib.tex

@@ -170,7 +170,7 @@ Write the XML-RPC encoding of this Boolean item to the out stream object.
 
 \subsection{DateTime Objects \label{datetime-objects}}
 
-This class may initialized from date in seconds since the epoch, a
+This class may be initialized with seconds since the epoch, a
 time tuple, or an ISO 8601 time/date string.  It has the following
 methods, supported mainly for internal use by the
 marshalling/unmarshalling code: