diff --git a/src/command/KeyBindingManager.js b/src/command/KeyBindingManager.js
index 387e1605b68..366e3dc1ca9 100644
--- a/src/command/KeyBindingManager.js
+++ b/src/command/KeyBindingManager.js
@@ -105,7 +105,8 @@ define(function (require, exports, module) {
                                  Commands.EDIT_CUT, Commands.EDIT_COPY, Commands.EDIT_PASTE],
         _reservedShortcuts    = ["Ctrl-Z", "Ctrl-Y", "Ctrl-A", "Ctrl-X", "Ctrl-C", "Ctrl-V"],
         _macReservedShortcuts = ["Cmd-,", "Cmd-H", "Cmd-Alt-H", "Cmd-M", "Cmd-Shift-Z", "Cmd-Q"],
-        _keyNames             = ["Up", "Down", "Left", "Right", "Backspace", "Enter", "Space", "Tab"];
+        _keyNames             = ["Up", "Down", "Left", "Right", "Backspace", "Enter", "Space", "Tab",
+                                 "PageUp", "PageDown", "Home", "End", "Insert", "Delete"];
 
     /**
      * @private
@@ -402,11 +403,16 @@ define(function (require, exports, module) {
             return null;
         }
         
-        // Ensure that the first letter of the key name is in upper case.
-        // i.e. 'a' => 'A' and 'up' => 'Up'
-        if (/^[a-z]/.test(key)) {
-            key = key.toLowerCase().replace(/(^[a-z])/, function (match, p1) {
-                return p1.toUpperCase();
+        // Ensure that the first letter of the key name is in upper case and the rest are
+        // in lower case. i.e. 'a' => 'A' and 'up' => 'Up'
+        if (/^[a-z]/i.test(key)) {
+            key = key.charAt(0).toUpperCase() + key.substr(1).toLowerCase();
+        }
+        
+        // Also make sure that the second word of PageUp/PageDown has the first letter in upper case.
+        if (/^Page/.test(key)) {
+            key = key.replace(/(up|down)$/, function (match, p1) {
+                return p1.charAt(0).toUpperCase() + p1.substr(1);
             });
         }
         
@@ -504,6 +510,10 @@ define(function (require, exports, module) {
             key = "Space";
         } else if (key === "\b") {
             key = "Backspace";
+        } else if (key === "Help") {
+            key = "Insert";
+        } else if (event.keyCode === KeyEvent.DOM_VK_DELETE) {
+            key = "Delete";
         } else {
             key = _mapKeycodeToKey(event.keyCode, key);
         }
@@ -1084,7 +1094,7 @@ define(function (require, exports, module) {
     function _getDisplayKey(key) {
         var displayKey = "",
             match = key ? key.match(/(Up|Down|Left|Right|\-)$/i) : null;
-        if (match) {
+        if (match && !/Page(Up|Down)/.test(key)) {
             displayKey = key.substr(0, match.index) + _displayKeyMap[match[0].toLowerCase()];
         }
         return displayKey;
diff --git a/test/spec/KeyBindingManager-test-files/invalidKeys.json b/test/spec/KeyBindingManager-test-files/invalidKeys.json
index f8e80cff063..2783b0abe2a 100644
--- a/test/spec/KeyBindingManager-test-files/invalidKeys.json
+++ b/test/spec/KeyBindingManager-test-files/invalidKeys.json
@@ -4,8 +4,7 @@
         "command-2": "file.openFolder",
         "Option-Cmd-Backspace": "view.hideSidebar",
         "no_modifier_key": "file.openFolder",
-        "Home": "view.hideSidebar",
         "ctrl-kk": "file.openFolder",
-        "cmd-Delete": "view.hideSidebar"
+        "cmd-Del": "view.hideSidebar"
     } 
 }
\ No newline at end of file
diff --git a/test/spec/KeyBindingManager-test.js b/test/spec/KeyBindingManager-test.js
index fa49a26e8c1..7d50bd8962f 100644
--- a/test/spec/KeyBindingManager-test.js
+++ b/test/spec/KeyBindingManager-test.js
@@ -630,10 +630,9 @@ define(function (require, exports, module) {
                         var msgPrefix = Strings.ERROR_INVALID_SHORTCUTS.replace("{0}", "");
                         expect(message).toMatch(msgPrefix);
                         expect(message).toMatch("command-2");
-                        expect(message).toMatch("Home");
                         expect(message).toMatch("Option-Cmd-Backspace");
                         expect(message).toMatch("ctrl-kk");
-                        expect(message).toMatch("cmd-Delete");
+                        expect(message).toMatch("cmd-Del");
                         return {done: function (callback) { callback(Dialogs.DIALOG_BTN_OK); } };
                     });
                 });