diff --git a/README.MD b/README.MD
index 5229aa2..722f02c 100644
--- a/README.MD
+++ b/README.MD
@@ -65,6 +65,18 @@ Based off of the [angular-hotkeys library](https://github.com/chieffancypants/an
 To enable the cheat sheet, simply add `<hotkeys-cheatsheet></hotkeys-cheatsheet>` to your top level component template.
 The `HotkeysService` will automatically register the `?` key combo to toggle the cheat sheet.
 
+**NB!** Only hotkeys that have a description will apear on the cheat sheet. The Hotkey constructor takes a description as
+an optional fourth parameter as a string or optionally as a function for dynamic descriptions.
+
+```typescript
+this._hotkeysService.add(new Hotkey('meta+shift+g', (event: KeyboardEvent): boolean => {
+    console.log('Secret message');
+    return false;
+}, undefined, 'Send a secret message to the console.'));
+```
+
+The third parameter, given as `undefined`, can be used to allow the Hotkey to fire in INPUT, SELECT or TEXTAREA tags.
+
 ### Cheat Sheet Customization
 
 1. You can now pass in custom options in `HotkeysModule.forRoot(options: IHotkeyOptions)`.
@@ -83,6 +95,10 @@ export interface IHotkeyOptions {
    * Use also ESC for closing the cheat sheet. Default: false
    */
   cheatSheetCloseEsc?: boolean;
+  /**
+   * Description for the ESC key for closing the cheat sheet (if enabed). Default: 'Hide this help menu'
+   */
+  cheatSheetCloseEscDescription?: string;
   /**
    * Description for the cheat sheet hot key in the cheat sheet. Default: 'Show / hide this help menu'
    */
diff --git a/src/hotkey.options.ts b/src/hotkey.options.ts
index 3a16043..2d947b3 100644
--- a/src/hotkey.options.ts
+++ b/src/hotkey.options.ts
@@ -14,6 +14,10 @@ export interface IHotkeyOptions {
      * Use also ESC for closing the cheat sheet. Default: false
      */
     cheatSheetCloseEsc?: boolean;
+    /**
+     * Description for the ESC key for closing the cheat sheet (if enabed). Default: 'Hide this help menu'
+     */
+    cheatSheetCloseEscDescription?: string;
     /**
      * Description for the cheat sheet hot key in the cheat sheet. Default: 'Show / hide this help menu'
      */
diff --git a/src/hotkeys.service.ts b/src/hotkeys.service.ts
index a4d12d4..1da26bc 100644
--- a/src/hotkeys.service.ts
+++ b/src/hotkeys.service.ts
@@ -40,7 +40,7 @@ export class HotkeysService {
                     this.cheatSheetToggle.next(false);
                 }.bind(this),
                 ['HOTKEYS-CHEATSHEET'],
-                'Hide this help menu',
+                this.options.cheatSheetCloseEscDescription || 'Hide this help menu',
             ));
         }