diff --git a/CHANGES b/CHANGES
index 09d443798e..050f78e8cd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+6138.	[doc]		Fix the DF-flag documentation on the outgoing
+			UDP packets. [GL #3710]
+
 6137.	[cleanup]	Remove the trampoline jump when spawning threads.
 			[GL !7293]
 
diff --git a/doc/arm/reference.rst b/doc/arm/reference.rst
index 2604b6e71d..84cacb4c94 100644
--- a/doc/arm/reference.rst
+++ b/doc/arm/reference.rst
@@ -4349,9 +4349,8 @@ Tuning
    dropping patterns, the query is retried over TCP.  Per-server EDNS statistics
    are only retained in memory for the lifetime of a given server's ADB entry.
 
-   The :iscman:`named` now sets the DON'T FRAGMENT flag on outgoing UDP packets.
-   According to the measurements done by multiple parties this should not be
-   causing any operational problems as most of the Internet "core" is able to
+   According to the measurements done by multiple parties the default value
+   should not be causing the fragmentation as most of the Internet "core" is able to
    cope with IP message sizes between 1400-1500 bytes, the 1232 size was picked
    as a conservative minimal number that could be changed by the DNS operator to
    a estimated path MTU minus the estimated header space. In practice, the