actually document `faculty` option

src/HsH-classes.dtx

@@ -200,8 +200,21 @@ http://www.latex-project.org/lppl.txt
 %   You can pass in any language-name understood by the \pkg{babel} package. German is
 %   the default.
 %   For convenience there are also short-forms providet.
-%
 %   \medskip
+%
+%   \DescribeOption{faculty} \DescribeOption{f1}\DescribeOption{f2}\DescribeOption{f3}\DescribeOption{f4}\DescribeOption{f5}
+%   The \opt{faculty=\meta{opt}} option configures which faculties logo is used.
+%   For convenience there are also short-forms providet.
+%   The avalable options are:
+%   \begin{options}
+%     \item[none\OR false] A gray, non-faculty specific logo is used.
+%     \item[1\OR f1] The blue logo of faculty 1 is uded.
+%     \item[2\OR f2] The green logo of faculty 2 is uded.
+%     \item[3\OR f3] The orange logo of faculty 3 is uded.
+%     \item[4\OR f4] The red logo of faculty 4 is uded.
+%     \item[5\OR f5] The purple logo of faculty 5 is uded.
+%   \end{options}
+%
 %   \DescribeOption{todos}
 %   The \opt{todos} option is a simple switch that activates support for the
 %   \pkg{todonotes} package. It enables/\-disables the package as well as increasing