diff --git a/src/public/app/widgets/dialogs/options/shortcuts.js b/src/public/app/widgets/dialogs/options/shortcuts.js
index 34abd5c29..224431850 100644
--- a/src/public/app/widgets/dialogs/options/shortcuts.js
+++ b/src/public/app/widgets/dialogs/options/shortcuts.js
@@ -7,7 +7,10 @@ const TPL = `
 <div class="options-section">
     <h4>Keyboard shortcuts</h4>
     
-    <p>Multiple shortcuts for the same action can be separated by comma.</p>
+    <p>
+      Multiple shortcuts for the same action can be separated by comma.
+      See <a href="https://www.electronjs.org/docs/latest/api/accelerator">Electron documentation</a> for available modifiers and key codes.
+    </p>
     
     <div class="form-group">
         <input type="text" class="form-control" id="keyboard-shortcut-filter" placeholder="Type text to filter shortcuts...">
diff --git a/src/services/keyboard_actions.js b/src/services/keyboard_actions.js
index 9e223d46b..d665692a9 100644
--- a/src/services/keyboard_actions.js
+++ b/src/services/keyboard_actions.js
@@ -215,13 +215,13 @@ const DEFAULT_KEYBOARD_ACTIONS = [
     },
     {
         actionName: "activateNextTab",
-        defaultShortcuts: isElectron ? ["CommandOrControl+Tab"] : [],
+        defaultShortcuts: isElectron ? ["CommandOrControl+Tab", "CommandOrControl+PageDown"] : [],
         description: "Activates tab on the right",
         scope: "window"
     },
     {
         actionName: "activatePreviousTab",
-        defaultShortcuts: isElectron ? ["CommandOrControl+Shift+Tab"] : [],
+        defaultShortcuts: isElectron ? ["CommandOrControl+Shift+Tab", "CommandOrControl+PageUp"] : [],
         description: "Activates tab on the left",
         scope: "window"
     },