diff --git a/data/english.layout b/data/english.layout
index 948e997..0a308b2 100644
--- a/data/english.layout
+++ b/data/english.layout
@@ -1,5 +1,5 @@
 ; use keycodes from:
-; http://doc.qt.nokia.com/4.7/qt.html#Key-enum
+; https://doc.qt.io/qt-5/qt.html#Key-enum
 ;
 ; - [] will leave an empty space in the keyboard
 ; - Recognized modifier keys are shift, alt, ctrl
diff --git a/data/finnish.layout b/data/finnish.layout
index 6c3f4d2..0cd570b 100644
--- a/data/finnish.layout
+++ b/data/finnish.layout
@@ -1,5 +1,5 @@
 ; use keycodes from:
-; http://doc.qt.nokia.com/4.7/qt.html#Key-enum
+; https://doc.qt.io/qt-5/qt.html#Key-enum
 ;
 ; - [] will leave an empty space in the keyboard
 ; - Recognized modifier keys are shift, alt, ctrl
diff --git a/data/french.layout b/data/french.layout
index 9252ce4..c89b55c 100644
--- a/data/french.layout
+++ b/data/french.layout
@@ -1,5 +1,5 @@
 ; use keycodes from:
-; http://doc.qt.nokia.com/4.7/qt.html#Key-enum
+; https://doc.qt.io/qt-5/qt.html#Key-enum
 ;
 ; - [] will leave an empty space in the keyboard
 ; - Recognized modifier keys are shift, alt, ctrl
diff --git a/data/german.layout b/data/german.layout
index b648ca9..27768f1 100644
--- a/data/german.layout
+++ b/data/german.layout
@@ -1,5 +1,5 @@
 ; use keycodes from:
-; http://doc.qt.nokia.com/4.7/qt.html#Key-enum
+; https://doc.qt.io/qt-5/qt.html#Key-enum
 ;
 ; - [] will leave an empty space in the keyboard
 ; - Recognized modifier keys are shift, alt, ctrl
diff --git a/data/qwertz.layout b/data/qwertz.layout
index cab98ab..e07e157 100644
--- a/data/qwertz.layout
+++ b/data/qwertz.layout
@@ -1,5 +1,5 @@
 ; use keycodes from:
-; http://doc.qt.nokia.com/4.7/qt.html#Key-enum
+; https://doc.qt.io/qt-5/qt.html#Key-enum
 ;
 ; - [] will leave an empty space in the keyboard
 ; - Recognized modifier keys are shift, alt, ctrl