docs: fix grammatical error, rewrite sentence to make clearer (#9223)

website/docs/installation.mdx

@@ -106,7 +106,7 @@ my-website
 
 ### Monorepos {#monorepos}
 
-If you are using Docusaurus for documentation of an existing project, a monorepo may be the solution for you. Monorepos allow you to share dependencies between similar projects. For example, your website may use your local packages to showcase the latest features, instead of depending on a released version; your contributors can also conveniently update the docs as they implement features. An example monorepo folder structure is below:
+If you are using Docusaurus for documentation of an existing project, a monorepo may be the solution for you. Monorepos allow you to share dependencies between similar projects. For example, your website may use your local packages to showcase latest features instead of depending on a released version. Then, your contributors can update the docs as they implement features. An example monorepo folder structure is below:
 
 ```bash
 my-monorepo