diff --git a/public/javascripts/context_menu.js b/public/javascripts/context_menu.js
index 536ca9bc5..32f151aee 100644
--- a/public/javascripts/context_menu.js
+++ b/public/javascripts/context_menu.js
@@ -57,19 +57,19 @@ const contextMenu = (function() {
         delegate: "span.fancytree-title",
         autoFocus: true,
         menu: [
-            {title: "Insert note here", cmd: "insertNoteHere", uiIcon: "ui-icon-plus"},
-            {title: "Insert child note", cmd: "insertChildNote", uiIcon: "ui-icon-plus"},
-            {title: "Delete", cmd: "delete", uiIcon: "ui-icon-trash"},
+            {title: "Insert note here <kbd>Ctrl+O</kbd>", cmd: "insertNoteHere", uiIcon: "ui-icon-plus"},
+            {title: "Insert child note <kbd>Ctrl+P</kbd>", cmd: "insertChildNote", uiIcon: "ui-icon-plus"},
+            {title: "Delete <kbd>Ctrl+Del</kbd>", cmd: "delete", uiIcon: "ui-icon-trash"},
             {title: "----"},
-            {title: "Edit tree prefix", cmd: "editTreePrefix", uiIcon: "ui-icon-pencil"},
+            {title: "Edit tree prefix <kbd>F2</kbd>", cmd: "editTreePrefix", uiIcon: "ui-icon-pencil"},
             {title: "----"},
             {title: "Protect sub-tree", cmd: "protectSubTree", uiIcon: "ui-icon-locked"},
             {title: "Unprotect sub-tree", cmd: "unprotectSubTree", uiIcon: "ui-icon-unlocked"},
             {title: "----"},
-            {title: "Cut", cmd: "cut", uiIcon: "ui-icon-scissors"},
-            {title: "Copy / clone", cmd: "copy", uiIcon: "ui-icon-copy"},
-            {title: "Paste after", cmd: "pasteAfter", uiIcon: "ui-icon-clipboard"},
-            {title: "Paste into", cmd: "pasteInto", uiIcon: "ui-icon-clipboard"}
+            {title: "Copy / clone <kbd>Ctrl+C</kbd>", cmd: "copy", uiIcon: "ui-icon-copy"},
+            {title: "Cut <kbd>Ctrl+X</kbd>", cmd: "cut", uiIcon: "ui-icon-scissors"},
+            {title: "Paste into <kbd>Ctrl+V</kbd>", cmd: "pasteInto", uiIcon: "ui-icon-clipboard"},
+            {title: "Paste after", cmd: "pasteAfter", uiIcon: "ui-icon-clipboard"}
         ],
         beforeOpen: (event, ui) => {
             const node = $.ui.fancytree.getNode(ui.target);
diff --git a/public/stylesheets/style.css b/public/stylesheets/style.css
index e23ce30df..c17abdfe1 100644
--- a/public/stylesheets/style.css
+++ b/public/stylesheets/style.css
@@ -167,6 +167,16 @@ div.ui-tooltip {
     display: block;
 }
 
+/* Allow to use <kbd> elements inside the title to define shortcut hints. */
+.ui-menu kbd {
+    margin-left: 30px;
+    float: right;
+    color: black;
+    border: none;
+    background-color: transparent;
+    box-shadow: none;
+}
+
 #loader-wrapper{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1000;background-color:#fff;opacity:1;transition:opacity 2s ease}
 #loader{display:block;position:relative;left:50%;top:50%;width:150px;height:150px;margin:-75px 0 0 -75px;border-radius:50%;border:3px solid transparent;border-top-color:#777;-webkit-animation:spin 2s linear infinite;animation:spin 2s linear infinite}
 #loader:before{content:"";position:absolute;top:5px;left:5px;right:5px;bottom:5px;border-radius:50%;border:3px solid transparent;border-top-color:#aaa;-webkit-animation:spin 3s linear infinite;animation:spin 3s linear infinite}
diff --git a/services/build.js b/services/build.js
index 3aa30d71e..da774956e 100644
--- a/services/build.js
+++ b/services/build.js
@@ -1 +1 @@
-module.exports = { build_date:"2017-12-21T22:21:42-05:00", build_revision: "e007ec5e2173b5086a998363401fae3933091675" };
+module.exports = { build_date:"2017-12-23T14:02:07-05:00", build_revision: "51215cba1bd2da8a539e86dbd31004cf9adb3f93" };