diff --git a/documentation/KnownProblems.txt b/documentation/KnownProblems.txt
index 602b02752af69a9051df64a3bb8760cad2911f6d..e7b6dfcb074f0fa54032c513a4501d455db980d9 100644
--- a/documentation/KnownProblems.txt
+++ b/documentation/KnownProblems.txt
@@ -1,6 +1,20 @@
 Known Problems
 ==============
 
+.. _Known_Problems_2.1.10:
+
+Known Problems in Release 2.1.10
+--------------------------------
+
+In the warning message when a queue is full, the variable name
+should be quoted. Here is an example::
+
+  sevr=minor pvPut on queued variable response (anonymous): last queue
+  element overwritten (queue is full)
+
+Here "response" is actually the variable name, but this is not apparent.
+
+
 .. _Known_Problems_2.1.8:
 
 Known Problems in Release 2.1.8
diff --git a/documentation/Notes.txt b/documentation/Notes.txt
index 4b78d5d6d1e754e044e6d8c0bc0419211544e781..b95b393be14f6a3ad9abf839fd0d3f7e623a640b 100644
--- a/documentation/Notes.txt
+++ b/documentation/Notes.txt
@@ -6,6 +6,8 @@ Release Notes
 Release 2.1.10
 --------------
 
+:ref:`Known_Problems_2.1.10`
+
 snc:
 
 * avoid follow-up syntax error after lexical error,