Reword API quota usage: remove specific quota

index.md

@@ -58,8 +58,8 @@ This websocket provides us with the feed of posts to scan.
 
 Every time a post comes in, we grab the full details of the post from the
 [Stack Exchange API](https://api.stackexchange.com/docs).
-Requests are bundled up wherever possible to save on our
-20,000 requests per day API quota.
+Requests are typically bundled up wher possible to save on
+API quota usage.
 Once we have the details, including the full text of the body,
 we run the post's body text, title, and owner's username through
 [a whole load of tests](https://github.com/Charcoal-SE/SmokeDetector/blob/master/findspam.py),