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@@ -100,7 +100,7 @@ The log format can vary slightly depending on your log configuration, but here i
   * time spent running database transactions, excluding scheduling time (the "database transaction time"). (Again, may be higher than the request processing time).
   * the number of database transactions performed.
 * `687B`: the length of the response body (687 bytes, in this case).
-* `200`: the HTTP response code.
+* `200`: the HTTP response code. Followed by an exclamation mark (`!`) if the client dropped the connection before we sent the response.
 * `"GET /_matrix/client/r0/sync HTTP/1.1"`: the http request line, including the path of the requested url.
 * `"Mozilla/5.0 ..."`: the user-agent of the client. 
 * `[0 dbevts]`: the number of Matrix events which were fetched from the database to fulfil this request.