diff --git a/contact.scm b/contact.scm
index 68612a1..d93f0de 100644
--- a/contact.scm
+++ b/contact.scm
@@ -1,4 +1,4 @@
-;; Copyright © 2023, Jaidyn Ann <jadedctrl@posteo.at>
+;; Copyright © 2024 Jaidyn Ann <jadedctrl@posteo.at>
 ;;
 ;; This program is free software: you can redistribute it and/or
 ;; modify it under the terms of the GNU General Public License as
@@ -20,8 +20,8 @@
 
 ;; Start & run the application.
 (define (init)
-  (let ([qt-app (qt:init)]
-        [qt-win (create-window)])
+  (let [(qt-app (qt:init))
+        (qt-win (create-window))]
     (init-window qt-win)
     (qt:run)))
 
@@ -55,32 +55,32 @@
 
 ;; Connect callback functions to menubar items.
 (define (menubar-callbacks window)
-  (let* ([file→exit (qt:find window "actionQuit")]
-         [file→save (qt:find window "actionSave")])
+  (let* [(menu-file-exit (qt:find window "actionQuit"))
+         (menu-file-save (qt:find window "actionSave"))]
     ;; We connect to https://doc.qt.io/qt-6/qaction.html#triggered
-    (if file→exit
+    (if menu-file-exit
         (qt:connect
-         file→exit "triggered()"
+         menu-file-exit "triggered()"
          (qt:receiver exit)))
-    (if file→save
+    (if menu-file-save
         (qt:connect
-         file→save "triggered()"
+         menu-file-save "triggered()"
          (qt:receiver
           (lambda ()
-            (qt:message "Saving is not implemented." "Saving")))))))
+            (qt:message "Saving is not implemented.")))))))
 
 
 ;; Connect a text-printing callback to each textbox.
 (define (textbox-callbacks window)
-  (let* ([property-names
-          '("address" "city" "company" "county" "eMail" "fax"
+  (let* [(property-names
+          '("address" "city" "company" "country" "eMail" "fax"
             "homePhone" "name" "nickname" "state" "url"
-            "workPhone" "zip")]
-         [textboxes
+            "workPhone" "zip"))
+         (textboxes
           ;; The texbox widgets are all named like “countryLineEdit”.
           (map (lambda (property)
                  (qt:find window (conc property "LineEdit")))
-               property-names)])
+               property-names))]
     ;; Cycle through each textbox, connecting them to a callback that prints
     ;; their contents each time you type in text.
     (map (lambda (textbox)
@@ -92,9 +92,9 @@
                (qt:connect textbox "textChanged(QString)"
                            (qt:receiver
                             (lambda ()
-                              (let ([file→save (qt:find window "actionSave")])
-                                (if file→save
-                                    (set! (qt:property file→save "enabled") #t)))
+                              (let [(menu-file-save (qt:find window "actionSave"))]
+                                (if menu-file-save
+                                    (set! (qt:property menu-file-save "enabled") #t)))
                               (print (qt:property textbox "text")))))))
          textboxes)))