Update Community section to be Vale and Proselint compliant

Author: shellyverma

src/content/contribute/index.mdx

@@ -80,9 +80,9 @@ To anyone else who is interested in helping our mission – e.g. venture capital
 
 ## Community
 
-Need help, want to ask questions, or just hang out with other webpack contributors?
+Looking for help, have questions, or want to connect with fellow webpack contributors?
 
-👉 Join our [Discord](https://discord.com/invite/5sxFZPdx2k) for real-time support and collaboration!
+Join our [Discord server](https://discord.com/invite/5sxFZPdx2k) for real-time support, discussions, and collaboration.
 
 ## Pull requests