diff --git a/src/extension.js b/src/extension.js
index 337f23e..34914f0 100644
--- a/src/extension.js
+++ b/src/extension.js
@@ -65,22 +65,22 @@ function _getTimerStartValue() {
 // update timer value if slider has changed
 function _onSliderChanged() {
     settings.set_int('slider-value', (slider.value * 100));
-    const [houers, minutes] = timer.calculateTimeStamp(_getTimerStartValue())
-    switcher.label.text = houers + ' ' +_("h : ") + minutes + ' min';
+    const [hours, minutes] = timer.convertTime(_getTimerStartValue())
+    switcher.label.text = hours + ' ' +_("h : ") + minutes + ' min';
     
     if (settings.get_boolean('root-mode-value')) {
-        switcher.label.text = houers + ' ' +_("h : ") + minutes + ' min (root)'; 
+        switcher.label.text = hours + ' ' +_("h : ") + minutes + ' min (root)'; 
     }
 }
 
 function _onSettingsChanged() {
     let sliderValue =  settings.get_int('slider-value') / 100.0;
     slider.value = sliderValue;
-    const [houers, minutes] = timer.calculateTimeStamp(_getTimerStartValue())
-    switcher.label.text = houers + ' ' +_("h : ") + minutes + ' ' +_("min");
+    const [hours, minutes] = timer.convertTime(_getTimerStartValue())
+    switcher.label.text = hours + ' ' +_("h : ") + minutes + ' ' +_("min");
     
     if (settings.get_boolean('root-mode-value')) {
-        switcher.label.text = houers + ' ' +_("h : ") + minutes + ' ' +_("min (root)");
+        switcher.label.text = hours + ' ' +_("h : ") + minutes + ' ' +_("min (root)");
     }
 }
 
@@ -94,9 +94,9 @@ function _onShowSettingsButtonChanged() {
 function _onToggle() {
     if(switcher.state) {
         timer.startTimer();
-        const [houers, minutes] = timer.calculateTimeStamp(_getTimerStartValue())
+        const [hours, minutes] = timer.convertTime(_getTimerStartValue())
         _showTextbox(   _("System will shutdown in")+ ' ' 
-                        + houers + ' ' +_("h : ") + minutes + ' '+_("minutes"));
+                        + hours + ' ' +_("h : ") + minutes + ' '+_("minutes"));
     } else {
         timer.stopTimer();
         _showTextbox(_("Shutdown Timer stopped"));
@@ -107,10 +107,10 @@ function _onToggle() {
 // menu items switcher and slider
 function _createSwitcherItem() {
     let switchMenuItem = new PopupMenu.PopupSwitchMenuItem('', false);
-    const [houers, minutes] = timer.calculateTimeStamp(_getTimerStartValue())
-    switchMenuItem.label.text = houers + ' ' +_("h : ") + minutes + ' ' +_("min");
+    const [hours, minutes] = timer.convertTime(_getTimerStartValue())
+    switchMenuItem.label.text = hours + ' ' +_("h : ") + minutes + ' ' +_("min");
     if(settings.get_boolean('root-mode-value')) {
-        switchMenuItem.label.text = houers + ' ' +_("h : ") + minutes + ' ' +_("min (root)");
+        switchMenuItem.label.text = hours + ' ' +_("h : ") + minutes + ' ' +_("min (root)");
     }
     
     switchMenuItem.connect('toggled', _onToggle);
diff --git a/src/timer.js b/src/timer.js
index d1611aa..ee26edf 100755
--- a/src/timer.js
+++ b/src/timer.js
@@ -36,8 +36,8 @@ const Timer = GObject.registerClass({}, class Timer extends GObject.Object {
             if(this._settings.get_boolean('use-suspend-value') || !this._settings.get_boolean('root-mode-value')) {
                 this._startTime = GLib.get_monotonic_time();
                 this._timerId = Mainloop.timeout_add_seconds(1, () => this._timerCallback());
-                const [houers, minutes] = this.calculateTimeStamp(this._timerValue)
-                this._menuLabel.text = houers + ' ' + _("h : ") + minutes + ' ' + _("min till shutdown");
+                const [hours, minutes] = this.convertTime(this._timerValue)
+                this._menuLabel.text = hours + ' ' + _("h : ") + minutes + ' ' + _("min till shutdown");
             } else {
                 let pkexec_path = GLib.find_program_in_path('pkexec');
                 let shutdown_path = GLib.find_program_in_path('shutdown');
@@ -57,8 +57,8 @@ const Timer = GObject.registerClass({}, class Timer extends GObject.Object {
         
         let secondsLeft = (this._timerValue*60) - secondsElapsed;
         if (this._menuLabel && (secondsLeft % 60 == 0)) {
-            const [houers, minutes] = this.calculateTimeStamp(Math.floor(secondsLeft / 60))
-            this._menuLabel.text = houers + ' ' +_("h : ") + minutes +' ' +_("min till shutdown");
+            const [hours, minutes] = this.convertTime(Math.floor(secondsLeft / 60))
+            this._menuLabel.text = hours + ' ' +_("h : ") + minutes +' ' +_("min till shutdown");
         }
         if (secondsLeft > 0) {
             return true;
@@ -69,11 +69,11 @@ const Timer = GObject.registerClass({}, class Timer extends GObject.Object {
     }
 
     /**
-    * Calculates houers and minutes from a time in minutes
+    * Calculates hours and minutes from a time in minutes
     * @param {number} timeInMinutes
-    * @returns {number[]} houers at i = 0, minutes at i = 1
+    * @returns {Array<number>} hours at index 0, minutes at index 1
     */
-    calculateTimeStamp(timeInMinutes) {
+    convertTime(timeInMinutes) {
         const hours = Math.floor(timeInMinutes / 60)
         const minutes = timeInMinutes - hours * 60
         return [hours, minutes]