Refer to the right RFC in the intro.

Doc/lib/libcfgparser.tex

@@ -14,7 +14,7 @@ programs which can be customized by end users easily.
 
 The configuration file consists of sections, lead by a
 \samp{[section]} header and followed by \samp{name: value} entries,
-with continuations in the style of \rfc{959}.  The optional values 
+with continuations in the style of \rfc{822}.  The optional values 
 can contain format strings which refer to other values in the same
 section, or values in a special \code{DEFAULT} section.  Additional
 defaults can be provided upon initialization and retrieval.