Updated the mu/econ example and guide.

example/mu/example.dtx

@@ -101,6 +101,7 @@
     faculty            = econ,
     type               = bc,
     field              = Applied Econometrics,
+    department         = Department of Finance,
     author             = Jane Doe,
     gender             = f,
     advisor            = John Smith,

guide/mu/guide.dtx

@@ -690,11 +690,11 @@
       is going to be defended. To choose the
       \thesis@english@facultyName, use
       \thguide@itemfmt{\thesis@faculty} as the value.
-%<*law,med,ped,phil>
+%<*law,med,ped,phil,econ>
     \item[department]
       This key can be used to specify the name of the department at
       which the thesis is going to be defended.
-%</law,med,ped,phil>
+%</law,med,ped,phil,econ>
 %<*phil>
       Specifying \texttt{kisk} as the department name changes the
       output to fit the requirements of the Division of Information