docs: fix grammar for installation docs (#10889)

website/docs/installation.mdx

@@ -21,8 +21,8 @@ Use **[docusaurus.new](https://docusaurus.new)** to test Docusaurus immediately
 
 ## Requirements {#requirements}
 
-- [Node.js](https://nodejs.org/en/download/) version 18.0 or above (which can be checked by running `node -v`). You can use [nvm](https://github.com/nvm-sh/nvm) for managing multiple Node versions on a single machine installed.
-  - When installing Node.js, you are recommended to check all checkboxes related to dependencies.
+- [Node.js](https://nodejs.org/en/download/) version 18.0 or above (which can be checked by running `node -v`). You can use [nvm](https://github.com/nvm-sh/nvm) to manage multiple Node.js versions on a single machine.
+  - When installing Node.js, it is recommended to check all checkboxes related to dependencies.
 
 ## Scaffold project website {#scaffold-project-website}