diff --git a/website/docs/advanced-plugins.md b/website/docs/advanced-plugins.md
index b80fb05222..a7e1ab1c97 100644
--- a/website/docs/advanced-plugins.md
+++ b/website/docs/advanced-plugins.md
@@ -177,14 +177,12 @@ $ yarn add @docusaurus/plugin-google-analytics
 ```js
 // docusaurus.config.js
 module.exports = {
-  plugins: [
-    [
-      '@docusaurus/plugin-google-analytics',
-      {
-        trackingID: 'UA-142857148-5',
-      },
-    ],
-  ],
+  plugins: ['@docusaurus/plugin-google-analytics'],
+  themeConfig: {
+    googleAnalytics: {
+      trackingID: 'UA-141789564-1',
+    },
+  }
 };
 ```
 
@@ -203,14 +201,12 @@ $ yarn add @docusaurus/plugin-google-gtag
 ```js
 // docusaurus.config.js
 module.exports = {
-  plugins: [
-    [
-      '@docusaurus/plugin-google-gtag',
-      {
-        trackingID: 'UA-142857148-5',
-      },
-    ],
-  ],
+  plugins: ['@docusaurus/plugin-google-gtag'],
+  themeConfig: {
+    gtag: {
+      trackingID: 'UA-141789564-1',
+    },
+  }
 };
 ```
 
diff --git a/website/docs/using-plugins.md b/website/docs/using-plugins.md
index 5ede6fced4..95aa466cec 100644
--- a/website/docs/using-plugins.md
+++ b/website/docs/using-plugins.md
@@ -64,7 +64,7 @@ module.exports = {
 
 ## Passing options to Docusaurus plugins via preset
 
-If you initialized your site using the classic template, you do not have to specify plugin options individually in your `docusaurus.config.js`. To provide the neccesary fields to certain plugins, i.e. `trackingID` for `@docusaurus/plugin-google-analytics`, pass them in the preset field, like this:
+If you initialized your site using the classic template, you do not have to specify plugin options individually in your `docusaurus.config.js`. To provide the neccesary fields to certain plugins, i.e. `customCss` for `@docusaurus/theme-classic`, pass them in the preset field, like this:
 
 ```js
 // docusaurus.config.js
@@ -73,18 +73,10 @@ module.exports = {
     [
       '@docusaurus/preset-classic',
       {
-        // Will be passed to @docusaurus/plugin-content-docs.
-        docs: {
-          sidebarPath: require.resolve('./sidebars.js'),
-        },
         // Will be passed to @docusaurus/theme-classic.
         theme: {
           customCss: require.resolve('./src/css/custom.css'),
         },
-        // Will be passed to @docusaurus/plugin-google-analytics.
-        googleAnalytics: {
-          trackingID: 'UA-1428571428-5',
-        },
         ...
       },
     ],
diff --git a/website/docs/using-themes.md b/website/docs/using-themes.md
index 4640e578e0..760d39cc78 100644
--- a/website/docs/using-themes.md
+++ b/website/docs/using-themes.md
@@ -34,7 +34,7 @@ As an example, to swizzle the `<Footer />` component in `@docusaurus/theme-class
 $ npm swizzle @docusaurus/theme-classic Footer
 ```
 
-This will copy the current `<Footer />` component used by the theme to a `theme/Footer` directory under the root of your site, which is where Docusaurus will look for swizzled components. Docusaurus will then use swizzled component in place of the original one from the theme.
+This will copy the current `<Footer />` component used by the theme to a `src/theme/Footer` directory under the root of your site, which is where Docusaurus will look for swizzled components. Docusaurus will then use swizzled component in place of the original one from the theme.
 
 **Note**: You need to restart your dev server for Docusaurus to pick up the new component.