diff --git a/mu4e/mu4e.texi b/mu4e/mu4e.texi
index e652ca28..428c0e25 100644
--- a/mu4e/mu4e.texi
+++ b/mu4e/mu4e.texi
@@ -2508,11 +2508,11 @@ when starting; see the discussion in the previous section.
 	  :name "Work"
 	  :enter-func (lambda () (mu4e-message "Switch to the Work context"))
 	  ;; no leave-func
-	  ;; we match based on the contact-fields of the message
+	  ;; we match based on the maildir of the message
+	  ;; this matches maildir /Arkham and its sub-directories
 	  :match-func (lambda (msg)
-			(when msg 
-			  (mu4e-message-contact-field-matches msg 
-			    :to "aderleth@@miskatonic.example.com")))
+			(when msg
+			  (string-match-p "^/Arkham" (mu4e-message-field msg :maildir))))
 	  :vars '( ( user-mail-address	     . "aderleth@@miskatonic.example.com" )
 		   ( user-full-name	     . "Alice Derleth" )
 		   ( mu4e-compose-signature  .