-displays a message, that message will be removed from
-any sequences named by the \*(lqUnseen\-Sequence\*(rq entry in the
-profile.
+display a message, that message will be removed from
+the unseen sequence.
+.PP
+The default unseen sequence is named `u'.
+To change, define a `Unseen\-Sequence' entry in your profile.
+It may also contain multiple sequence names, separated by spaces.
+In this case, anything that applied to a single unseen sequence,
+applies to multiple ones, too.
+.PP
+The unseen sequence mechanism is automatically activated.
+To deactivate it, define the `Unseen\-Sequence' entry
+in your profile with an empty value.
+