diff --git a/docs/api/dialog.md b/docs/api/dialog.md
index 084e6bae0c4..c5818aafd4c 100644
--- a/docs/api/dialog.md
+++ b/docs/api/dialog.md
@@ -1,7 +1,8 @@
 # dialog
 
-The `dialog` module provides APIs to show native system dialogs, so web
-applications can deliver the same user experience as native applications.
+The `dialog` module provides APIs to show native system dialogs, such as opening
+files or alerting, so web applications can deliver the same user experience as
+native applications.
 
 An example of showing a dialog to select multiple files and directories:
 
@@ -15,23 +16,27 @@ console.log(dialog.showOpenDialog({ properties: [ 'openFile', 'openDirectory', '
 have to do is provide a `BrowserWindow` reference in the `browserWindow`
 parameter.
 
-## dialog.showOpenDialog([browserWindow], [options], [callback])
+## Methods
 
-* `browserWindow` BrowserWindow
-* `options` Object
+The `dialog` module has the following methods:
+
+### `dialog.showOpenDialog([browserWindow][, options][, callback])`
+
+* `browserWindow` BrowserWindow (optional)
+* `options` Object (optional)
   * `title` String
   * `defaultPath` String
   * `filters` Array
   * `properties` Array - Contains which features the dialog should use, can
     contain `openFile`, `openDirectory`, `multiSelections` and
     `createDirectory`
-* `callback` Function
+* `callback` Function (optional)
 
-On success, returns an array of file paths chosen by the user, otherwise
-returns `undefined`.
+On success this method returns an array of file paths chosen by the user,
+otherwise it returns `undefined`.
 
 The `filters` specifies an array of file types that can be displayed or
-selected, an example is:
+selected when you want to limit the user to a specific type. For example:
 
 ```javascript
 {
@@ -44,28 +49,28 @@ selected, an example is:
 }
 ```
 The `extensions` array should contain extensions without wildcards or dots (e.g.
-`'png'` is good, `'.png'` and `'*.png'` are bad). To show all files, use the
+`'png'` is good but `'.png'` and `'*.png'` are bad). To show all files, use the
 `'*'` wildcard (no other wildcard is supported).
 
-If a `callback` is passed, the API call would be asynchronous and the result
-would be passed via `callback(filenames)`
+If a `callback` is passed, the API call will be asynchronous and the result
+wil be passed via `callback(filenames)`
 
 **Note:** On Windows and Linux, an open dialog can not be both a file selector
 and a directory selector, so if you set `properties` to
 `['openFile', 'openDirectory']` on these platforms, a directory selector will be
 shown.
 
-## dialog.showSaveDialog([browserWindow], [options], [callback])
+### `dialog.showSaveDialog([browserWindow][, options][, callback])`
 
-* `browserWindow` BrowserWindow
-* `options` Object
+* `browserWindow` BrowserWindow (optional)
+* `options` Object (optional)
   * `title` String
   * `defaultPath` String
   * `filters` Array
-* `callback` Function
+* `callback` Function (optional)
 
-On success, returns the path of the file chosen by the user, otherwise returns
-`undefined`.
+On success this method returns the path of the file chosen by the user,
+otherwise it returns `undefined`.
 
 The `filters` specifies an array of file types that can be displayed, see
 `dialog.showOpenDialog` for an example.
@@ -73,39 +78,39 @@ The `filters` specifies an array of file types that can be displayed, see
 If a `callback` is passed, the API call will be asynchronous and the result
 will be passed via `callback(filename)`
 
-## dialog.showMessageBox([browserWindow], options, [callback])
+### `dialog.showMessageBox([browserWindow][, options][, callback])`
 
-* `browserWindow` BrowserWindow
-* `options` Object
+* `browserWindow` BrowserWindow (optional)
+* `options` Object (optional)
   * `type` String - Can be `"none"`, `"info"`, `"error"`, `"question"` or
   `"warning"`. On Windows, "question" displays the same icon as "info", unless
-  if you set an icon using the "icon" option
-  * `buttons` Array - Array of texts for buttons
-  * `title` String - Title of the message box, some platforms will not show it
-  * `message` String - Content of the message box
-  * `detail` String - Extra information of the message
+  you set an icon using the "icon" option.
+  * `buttons` Array - Array of texts for buttons.
+  * `title` String - Title of the message box, some platforms will not show it.
+  * `message` String - Content of the message box.
+  * `detail` String - Extra information of the message.
   * `icon` [NativeImage](native-image.md)
   * `cancelId` Integer - The value will be returned when user cancels the dialog
     instead of clicking the buttons of the dialog. By default it is the index
     of the buttons that have "cancel" or "no" as label, or 0 if there is no such
     buttons. On OS X and Windows the index of "Cancel" button will always be
-    used as `cancelId`, not matter whether it is already specified
-  * `noLink` Boolean - On Windows Electron would try to figure out which ones of
+    used as `cancelId`, not matter whether it is already specified.
+  * `noLink` Boolean - On Windows Electron will try to figure out which one of
     the `buttons` are common buttons (like "Cancel" or "Yes"), and show the
-    others as command links in the dialog, this can make the dialog appear in
+    others as command links in the dialog. This can make the dialog appear in
     the style of modern Windows apps. If you don't like this behavior, you can
-    specify `noLink` to `true`
+    set `noLink` to `true`.
 * `callback` Function
 
-Shows a message box, it will block until the message box is closed. It returns
-the index of the clicked button.
+Shows a message box, it will block the process until the message box is closed.
+It returns the index of the clicked button.
 
 If a `callback` is passed, the API call will be asynchronous and the result
-will be passed via `callback(response)`
+will be passed via `callback(response)`.
 
-## dialog.showErrorBox(title, content)
+### `dialog.showErrorBox(title, content)`
 
-Runs a modal dialog that shows an error message.
+Displays a modal dialog that shows an error message.
 
-This API can be called safely before the `ready` event of `app` module emits, it
-is usually used to report errors in early stage of startup.
+This API can be called safely before the `ready` event the `app` module emits,
+it is usually used to report errors in early stage of startup.