dnsdist: Document what happens on cache hit, miss after resumption

diff --git a/pdns/dnsdistdist/docs/reference/dq.rst b/pdns/dnsdistdist/docs/reference/dq.rst
index 410318c0ff7440af084db5cea78241db4ac52248..cd8dd221c886dd6e127338b5cb51f59423029511 100644 (file)
--- a/pdns/dnsdistdist/docs/reference/dq.rst
+++ b/pdns/dnsdistdist/docs/reference/dq.rst
@@ -545,8 +545,9 @@ AsynchronousObject object
 
     Resume the processing of the suspended object.
     For a question, it means first checking whether it was turned into a response,
-    and sending the response out it it was. Otherwise do a cache-lookup, select a
-    backend and send the query to the backend.
+    and sending the response out it it was. Otherwise do a cache-lookup: on a
+    cache-hit, the response will be sent immediately. On a cache-miss,
+    it means dnsdist will select a backend and send the query to the backend.
     For a response, it means inserting into the cache if needed and sending the
     response to the backend.
     Note that the AsynchronousObject object should NOT be accessed after successfully calling this method.