Corrected the name of Capitalization Styles

Corrected CamelCase to PascalCase and 
mixedCase to camelCase

docs/development/coding-style.md

@@ -66,8 +66,8 @@ formatted correctly.
 
 Electron APIs uses the same capitalization scheme as Node.js:
 
-- When the module itself is a class like `BrowserWindow`, use `CamelCase`.
-- When the module is a set of APIs, like `globalShortcut`, use `mixedCase`.
+- When the module itself is a class like `BrowserWindow`, use `PascalCase`.
+- When the module is a set of APIs, like `globalShortcut`, use `camelCase`.
 - When the API is a property of object, and it is complex enough to be in a
   separate chapter like `win.webContents`, use `mixedCase`.
 - For other non-module APIs, use natural titles, like `<webview> Tag` or