diff --git a/docs/api/app.md b/docs/api/app.md
index a43de112f62c..081c6dc2ab80 100644
--- a/docs/api/app.md
+++ b/docs/api/app.md
@@ -189,7 +189,7 @@ Returns:
 
 * `event` Event
 * `webContents` [WebContents](web-contents.md)
-* `url` URL
+* `url` String
 * `error` String - The error code
 * `certificate` [Certificate](structures/certificate.md)
 * `callback` Function
@@ -845,7 +845,7 @@ When `informational` is passed, the dock icon will bounce for one second.
 However, the request remains active until either the application becomes active
 or the request is canceled.
 
-Returns an ID representing the request.
+Returns `Integer` an ID representing the request.
 
 ### `app.dock.cancelBounce(id)` _macOS_
 
@@ -891,7 +891,7 @@ Sets the application's [dock menu][dock-menu].
 
 ### `app.dock.setIcon(image)` _macOS_
 
-* `image` [NativeImage](native-image.md)
+* `image` ([NativeImage](native-image.md) | String)
 
 Sets the `image` associated with this dock icon.
 
diff --git a/docs/api/browser-window.md b/docs/api/browser-window.md
index 414cdb6db56e..2b57a46d1611 100644
--- a/docs/api/browser-window.md
+++ b/docs/api/browser-window.md
@@ -202,10 +202,10 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
   * `thickFrame` Boolean (optional) - Use `WS_THICKFRAME` style for frameless windows on
     Windows, which adds standard window frame. Setting it to `false` will remove
     window shadow and window animations. Default is `true`.
-  * `vibrancy` String - Add a type of vibrancy effect to the window, only on
+  * `vibrancy` String - (optional) Add a type of vibrancy effect to the window, only on
     macOS. Can be `appearance-based`, `light`, `dark`, `titlebar`, `selection`,
     `menu`, `popover`, `sidebar`, `medium-light` or `ultra-dark`.
-  * `zoomToPageWidth` Boolean - Controls the behavior on macOS when
+  * `zoomToPageWidth` Boolean - (optional) Controls the behavior on macOS when
     option-clicking the green stoplight button on the toolbar or by clicking the
     Window > Zoom menu item. If `true`, the window will grow to the preferred
     width of the web page when zoomed, `false` will cause it to zoom to the
diff --git a/docs/api/cookies.md b/docs/api/cookies.md
index 37891caeb070..7a9151e97acc 100644
--- a/docs/api/cookies.md
+++ b/docs/api/cookies.md
@@ -79,15 +79,15 @@ with `callback(error, cookies)` on complete.
 
 * `details` Object
   * `url` String - The url to associate the cookie with.
-  * `name` String - The name of the cookie. Empty by default if omitted.
-  * `value` String - The value of the cookie. Empty by default if omitted.
-  * `domain` String - The domain of the cookie. Empty by default if omitted.
-  * `path` String - The path of the cookie. Empty by default if omitted.
-  * `secure` Boolean - Whether the cookie should be marked as Secure. Defaults to
+  * `name` String - (optional) The name of the cookie. Empty by default if omitted.
+  * `value` String - (optional) The value of the cookie. Empty by default if omitted.
+  * `domain` String - (optional) The domain of the cookie. Empty by default if omitted.
+  * `path` String - (optional) The path of the cookie. Empty by default if omitted.
+  * `secure` Boolean - (optional) Whether the cookie should be marked as Secure. Defaults to
     false.
-  * `httpOnly` Boolean - Whether the cookie should be marked as HTTP only.
+  * `httpOnly` Boolean - (optional) Whether the cookie should be marked as HTTP only.
     Defaults to false.
-  * `expirationDate` Double -	The expiration date of the cookie as the number of
+  * `expirationDate` Double -	(optional) The expiration date of the cookie as the number of
     seconds since the UNIX epoch. If omitted then the cookie becomes a session
     cookie and will not be retained between sessions.
 * `callback` Function
diff --git a/docs/api/incoming-message.md b/docs/api/incoming-message.md
index 345658e04289..addb975c5b76 100644
--- a/docs/api/incoming-message.md
+++ b/docs/api/incoming-message.md
@@ -64,3 +64,11 @@ A String indicating the HTTP protocol version number. Typical values are '1.0'
 or '1.1'. Additionally `httpVersionMajor` and `httpVersionMinor` are two
 Integer-valued readable properties that return respectively the HTTP major and
 minor version numbers.
+
+#### `response.httpVersionMajor`
+
+An Integer indicating the HTTP protocol major version number.
+
+#### `response.httpVersionMinor`
+
+An Integer indicating the HTTP protocol minor version number.
diff --git a/docs/api/menu-item.md b/docs/api/menu-item.md
index 7802c3c01558..01ca90bf2361 100644
--- a/docs/api/menu-item.md
+++ b/docs/api/menu-item.md
@@ -106,3 +106,11 @@ A `radio` menu item will turn on its `checked` property when clicked, and
 will turn off that property for all adjacent items in the same menu.
 
 You can add a `click` function for additional behavior.
+
+#### `menuItem.label`
+
+A String representing the menu items visible label
+
+#### `menuItem.click`
+
+A Function that is fired when the MenuItem recieves a click event
diff --git a/docs/api/protocol.md b/docs/api/protocol.md
index a7bf536ce625..106839b4b73e 100644
--- a/docs/api/protocol.md
+++ b/docs/api/protocol.md
@@ -121,7 +121,7 @@ treated as a standard scheme.
     * `method` String
     * `uploadData` [UploadData[]](structures/upload-data.md)
   * `callback` Function
-    * `buffer` Buffer (optional)
+    * `buffer` (Buffer | [MimeTypedBuffer](structures/mime-typed-buffer.md)) (optional)
 * `completion` Function (optional)
   * `error` Error
 
diff --git a/docs/api/session.md b/docs/api/session.md
index 9e1891043fd3..8940ba781506 100644
--- a/docs/api/session.md
+++ b/docs/api/session.md
@@ -200,7 +200,7 @@ The `proxyBypassRules` is a comma separated list of rules described below:
    Match local addresses. The meaning of `<local>` is whether the
    host matches one of: "127.0.0.1", "::1", "localhost".
 
-### `ses.resolveProxy(url, callback)`
+#### `ses.resolveProxy(url, callback)`
 
 * `url` URL
 * `callback` Function
diff --git a/docs/api/structures/cookie.md b/docs/api/structures/cookie.md
index d00c35b61d28..de5ac5883b7c 100644
--- a/docs/api/structures/cookie.md
+++ b/docs/api/structures/cookie.md
@@ -2,13 +2,13 @@
 
 * `name` String - The name of the cookie.
 * `value` String - The value of the cookie.
-* `domain` String - The domain of the cookie.
-* `hostOnly` String - Whether the cookie is a host-only cookie.
-* `path` String - The path of the cookie.
-* `secure` Boolean - Whether the cookie is marked as secure.
-* `httpOnly` Boolean - Whether the cookie is marked as HTTP only.
-* `session` Boolean - Whether the cookie is a session cookie or a persistent
+* `domain` String - (optional) The domain of the cookie.
+* `hostOnly` Boolean - (optional) Whether the cookie is a host-only cookie.
+* `path` String - (optional) The path of the cookie.
+* `secure` Boolean - (optional) Whether the cookie is marked as secure.
+* `httpOnly` Boolean - (optional) Whether the cookie is marked as HTTP only.
+* `session` Boolean - (optional) Whether the cookie is a session cookie or a persistent
   cookie with an expiration date.
-* `expirationDate` Double (optional) - The expiration date of the cookie as
+* `expirationDate` Double - (optional) The expiration date of the cookie as
   the number of seconds since the UNIX epoch. Not provided for session
   cookies.
diff --git a/docs/api/structures/jump-list-category.md b/docs/api/structures/jump-list-category.md
index 6ff328eea650..ca5f48f8b35f 100644
--- a/docs/api/structures/jump-list-category.md
+++ b/docs/api/structures/jump-list-category.md
@@ -1,6 +1,6 @@
 # JumpListCategory Object
 
-* `type` String - One of the following:
+* `type` String - (optional) One of the following:
   * `tasks` - Items in this category will be placed into the standard `Tasks`
     category. There can be only one such category, and it will always be
     displayed at the bottom of the Jump List.
diff --git a/docs/api/structures/jump-list-item.md b/docs/api/structures/jump-list-item.md
index 0eb6f56d8f06..c7f508dd5c86 100644
--- a/docs/api/structures/jump-list-item.md
+++ b/docs/api/structures/jump-list-item.md
@@ -1,6 +1,6 @@
 # JumpListItem Object
 
-* `type` String - One of the following:
+* `type` String - (optional) One of the following:
   * `task` - A task will launch an app with specific arguments.
   * `separator` - Can be used to separate items in the standard `Tasks`
     category.
@@ -18,11 +18,11 @@
   Should only be set if `type` is `task`.
 * `description` String - (optional) Description of the task (displayed in a tooltip).
   Should only be set if `type` is `task`.
-* `iconPath` String - The absolute path to an icon to be displayed in a
+* `iconPath` String - (optional) The absolute path to an icon to be displayed in a
   Jump List, which can be an arbitrary resource file that contains an icon
   (e.g. `.ico`, `.exe`, `.dll`). You can usually specify `process.execPath` to
   show the program icon.
-* `iconIndex` Number - The index of the icon in the resource file. If a
+* `iconIndex` Number - (optional) The index of the icon in the resource file. If a
   resource file contains multiple icons this value can be used to specify the
   zero-based index of the icon that should be displayed for this task. If a
   resource file contains only one icon, this property should be set to zero.
diff --git a/docs/api/structures/mime-typed-buffer.md b/docs/api/structures/mime-typed-buffer.md
new file mode 100644
index 000000000000..dc1a20d28f79
--- /dev/null
+++ b/docs/api/structures/mime-typed-buffer.md
@@ -0,0 +1,4 @@
+# MimeTypedBuffer Object
+
+* `mimeType` String - The mimeType of the Buffer that you are sending
+* `buffer` Buffer - The actual Buffer content
diff --git a/docs/api/tray.md b/docs/api/tray.md
index f83117bdb9a8..d98b31689f99 100644
--- a/docs/api/tray.md
+++ b/docs/api/tray.md
@@ -154,7 +154,7 @@ Destroys the tray icon immediately.
 
 #### `tray.setImage(image)`
 
-* `image` [NativeImage](native-image.md)
+* `image` ([NativeImage](native-image.md) | String)
 
 Sets the `image` associated with this tray icon.
 
@@ -210,9 +210,9 @@ win.on('hide', () => {
 #### `tray.displayBalloon(options)` _Windows_
 
 * `options` Object
-  * `icon` [NativeImage](native-image.md)
-  * `title` String
-  * `content` String
+  * `icon` ([NativeImage](native-image.md) | String) - (optional)
+  * `title` String - (optional)
+  * `content` String - (optional)
 
 Displays a tray balloon.
 
diff --git a/docs/api/web-contents.md b/docs/api/web-contents.md
index 36d7f20cc43f..54bacfb1ffed 100644
--- a/docs/api/web-contents.md
+++ b/docs/api/web-contents.md
@@ -267,7 +267,7 @@ Emitted when DevTools is focused / opened.
 Returns:
 
 * `event` Event
-* `url` URL
+* `url` String
 * `error` String - The error code
 * `certificate` [Certificate](structures/certificate.md)
 * `callback` Function
@@ -507,7 +507,7 @@ Emitted when the devtools window instructs the webContents to reload
 
 #### `contents.loadURL(url[, options])`
 
-* `url` URL
+* `url` String
 * `options` Object (optional)
   * `httpReferrer` String (optional) - A HTTP Referrer url.
   * `userAgent` String (optional) - A user agent originating the request.
@@ -795,14 +795,14 @@ Inserts `text` to the focused element.
 
 * `text` String - Content to be searched, must not be empty.
 * `options` Object (optional)
-  * `forward` Boolean - Whether to search forward or backward, defaults to `true`.
-  * `findNext` Boolean - Whether the operation is first request or a follow up,
+  * `forward` Boolean - (optional) Whether to search forward or backward, defaults to `true`.
+  * `findNext` Boolean - (optional) Whether the operation is first request or a follow up,
     defaults to `false`.
-  * `matchCase` Boolean - Whether search should be case-sensitive,
+  * `matchCase` Boolean - (optional) Whether search should be case-sensitive,
     defaults to `false`.
-  * `wordStart` Boolean - Whether to look only at the start of words.
+  * `wordStart` Boolean - (optional) Whether to look only at the start of words.
     defaults to `false`.
-  * `medialCapitalAsWordStart` Boolean - When combined with `wordStart`,
+  * `medialCapitalAsWordStart` Boolean - (optional) When combined with `wordStart`,
     accepts a match in the middle of a word if the match begins with an
     uppercase letter followed by a lowercase or non-letter.
     Accepts several other intra-word matches, defaults to `false`.
@@ -878,14 +878,14 @@ Use `page-break-before: always; ` CSS style to force to print to a new page.
 #### `contents.printToPDF(options, callback)`
 
 * `options` Object
-  * `marginsType` Integer - Specifies the type of margins to use. Uses 0 for
+  * `marginsType` Integer - (optional) Specifies the type of margins to use. Uses 0 for
     default margin, 1 for no margin, and 2 for minimum margin.
-  * `pageSize` String - Specify page size of the generated PDF. Can be `A3`,
+  * `pageSize` String - (optional) Specify page size of the generated PDF. Can be `A3`,
     `A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height`
     and `width` in microns.
-  * `printBackground` Boolean - Whether to print CSS backgrounds.
-  * `printSelectionOnly` Boolean - Whether to print selection only.
-  * `landscape` Boolean - `true` for landscape, `false` for portrait.
+  * `printBackground` Boolean - (optional) Whether to print CSS backgrounds.
+  * `printSelectionOnly` Boolean - (optional) Whether to print selection only.
+  * `landscape` Boolean - (optional) `true` for landscape, `false` for portrait.
 * `callback` Function
   * `error` Error
   * `data` Buffer
diff --git a/docs/api/web-frame.md b/docs/api/web-frame.md
index 12d9167bc7c5..16d53edd1a8a 100644
--- a/docs/api/web-frame.md
+++ b/docs/api/web-frame.md
@@ -66,6 +66,8 @@ Sets the maximum and minimum layout-based (i.e. non-visual) zoom level.
 * `language` String
 * `autoCorrectWord` Boolean
 * `provider` Object
+  * `spellCheck` Function - Returns `Boolean`
+    * `text` String
 
 Sets a provider for spell checking in input fields and text areas.
 
@@ -127,10 +129,12 @@ webFrame.registerURLSchemeAsPrivileged('foo', { bypassCSP: false })
 
 Inserts `text` to the focused element.
 
-### `webFrame.executeJavaScript(code[, userGesture])`
+### `webFrame.executeJavaScript(code[, userGesture, callback])`
 
 * `code` String
 * `userGesture` Boolean (optional) - Default is `false`.
+* `callback` Function (optional) - Called after script has been executed.
+  * `result` Any
 
 Evaluates `code` in page.