diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index 6c1ab862e0..3cff9db120 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -88,3 +88,9 @@ Bug Fixes
   not implemented when the BIND 9 networking stack was refactored in 9.16.
   The missing functionality has been re-implemented and outgoing zone
   transfers now time out properly when not progressing. :gl:`#1897`
+
+- The statistics counter representing the current number of clients
+  awaiting recursive resolution results (``RecursClients``) could be
+  miscalculated in certain resolution scenarios, potentially causing the
+  value of the counter to drop below zero. This has been fixed.
+  :gl:`#3147`