Revise Download instructions for Unix & Fix Grammar in CONTRIBUTING.md (#6769)

* Update CONTRIBUTING.md

Signed-off-by: NotYourAverageGamer <[email protected]>

* Update getNodeDownloadSnippet.ts

updated download instructions to notify users on unix systems that restarting the terminal may be necessary to continue to step 2 after first installing nvm

Signed-off-by: NotYourAverageGamer <[email protected]>

---------

Signed-off-by: NotYourAverageGamer <[email protected]>
Co-authored-by: Michael Esteban <[email protected]>

Author: NotYourAverageGamer

CONTRIBUTING.md

@@ -128,7 +128,7 @@ for getting things done and landing your contribution.
 > We use [GitHub Merge Queues](https://github.blog/2023-07-12-github-merge-queue-is-generally-available/)
 > which means that before merge the PRs get automatically updated and checked against the latest changes on the base branch.
 >
-> This also reduces the amount of times we need to run our CI checks, as every new push requires freshly new CI-checks.
+> This also reduces the amount of times we need to run our CI checks, as every new push requires fresh new CI-checks.
 
 ### CLI Commands
 

util/getNodeDownloadSnippet.ts

@@ -36,7 +36,7 @@ export const getNodeDownloadSnippet = (release: NodeRelease, os: UserOS) => {
       # installs nvm (Node Version Manager)
       curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
 
-      # download and install Node.js
+      # download and install Node.js (you may need to restart the terminal)
       nvm install ${release.major}
 
       # verifies the right Node.js version is in the environment