fix: fix formatting

Author: shadowusr

docs/guides/custom-commands.mdx

@@ -75,7 +75,7 @@ To ensure TypeScript recognizes your custom commands, you need to augment the We
 3.  Write your type definitions as follows. Note that there are two file contexts in TypeScript: module and ambient. If you have at least one import/export in your file, the file is in "module" mode, otherwise it's in ambient. Choose declaration style accordingly.
 
     <Tabs>
-    <TabItem value="module" label="Module mode" default>
+<TabItem value="module" label="Module mode" default>
 
             ```typescript
             import 'webdriverio'; // Can be any import, not necessarily webdriverio