diff --git a/docs/tutorial/using-pepper-flash-plugin.md b/docs/tutorial/using-pepper-flash-plugin.md
index 9ff6ebf00eb2..747543f3f869 100644
--- a/docs/tutorial/using-pepper-flash-plugin.md
+++ b/docs/tutorial/using-pepper-flash-plugin.md
@@ -13,20 +13,30 @@ location.
 
 ## Add Electron Switch
 
-You can directly add `--ppapi-flash-path` and `ppapi-flash-version` to the
+You can directly add `--ppapi-flash-path` and `--ppapi-flash-version` to the
 Electron command line or by using the `app.commandLine.appendSwitch` method
 before the app ready event. Also, turn on `plugins` option of `BrowserWindow`.
+
 For example:
 
 ```javascript
-// Specify flash path.
-// On Windows, it might be /path/to/pepflashplayer.dll or just pepflashplayer.dll if it resides main.js
-// On OS X, /path/to/PepperFlashPlayer.plugin
-// On Linux, /path/to/libpepflashplayer.so
-app.commandLine.appendSwitch('ppapi-flash-path', '/path/to/libpepflashplayer.so');
+// Specify flash path, supposing it is placed in the same directory with main.js.
+let pluginName
+switch (process.platform) {
+  case 'win32':
+    pluginName = 'pepflashplayer.dll'
+    break
+  case 'darwin':
+    pluginName = 'PepperFlashPlayer.plugin'
+    break
+  case 'linux':
+    pluginName = 'libpepflashplayer.so'
+    break
+}
+app.commandLine.appendSwitch('ppapi-flash-path', path.join(__dirname, pluginName))
 
 // Optional: Specify flash version, for example, v17.0.0.169
-app.commandLine.appendSwitch('ppapi-flash-version', '17.0.0.169');
+app.commandLine.appendSwitch('ppapi-flash-version', '17.0.0.169')
 
 app.on('ready', () => {
   win = new BrowserWindow({
@@ -35,13 +45,15 @@ app.on('ready', () => {
     webPreferences: {
       plugins: true
     }
-  });
-  win.loadURL(`file://${__dirname}/index.html`);
+  })
+  win.loadURL(`file://${__dirname}/index.html`)
   // Something else
 });
 ```
 
-The path to the system wide Pepper Flash plugin can also be obtained by calling `app.getPath('pepperFlashSystemPlugin')`.
+You can also try loading the system wide Pepper Flash plugin instead of shipping
+the plugins yourself, its path can be received by calling
+`app.getPath('pepperFlashSystemPlugin')`.
 
 ## Enable Flash Plugin in a `<webview>` Tag
 
@@ -60,3 +72,6 @@ plugin's path is correct).
 The architecture of Pepper Flash plugin has to match Electron's one. On Windows,
 a common error is to use 32bit version of Flash plugin against 64bit version of
 Electron.
+
+On Windows the path passed to `--ppapi-flash-path` has to use `\` as path
+delimiter, using POSIX-style paths will not work.