Update src/content/docs/project/contribute.mdx

Co-authored-by: Leah Wasser <[email protected]>

Author: JimMadge

src/content/docs/project/contribute.mdx

@@ -132,7 +132,7 @@ You can also check all links, including links to external resources like other w
 npm run link-check
 ```
 
-<Aside type="caution">Checking online resources is likely to result in false positives. Some sites may reject requests if they don't appear to be from a browser, or you may be rate limited.</Aside>
+<Aside type="caution">Checking links to online resources will often result in false positives, meaning that some links that work online might appear to be broken. Some sites may reject requests if they don't appear to be from a browser, or you may be rate-limited. It's good practice to check each link that Lychee flags as broken before you try to update it.</Aside>
 
 ## Add yourself as a contributor