diff --git a/doc/user/ospf6d.rst b/doc/user/ospf6d.rst
index d26062e2b9..7c01b6f136 100644
--- a/doc/user/ospf6d.rst
+++ b/doc/user/ospf6d.rst
@@ -70,6 +70,13 @@ OSPF6 router
    Use this command to control the maximum number of parallel routes that
    OSPFv3 can support. The default is 64.
 
+.. clicmd:: write-multiplier (1-100)
+
+   Use this command to tune the amount of work done in the packet read and
+   write threads before relinquishing control. The parameter is the number
+   of packets to process before returning. The default value of this parameter
+   is 20.
+
 
 .. _ospf6-area:
 
diff --git a/doc/user/ospfd.rst b/doc/user/ospfd.rst
index 80ab279596..692ce8c1b2 100644
--- a/doc/user/ospfd.rst
+++ b/doc/user/ospfd.rst
@@ -299,6 +299,13 @@ To start OSPF process you have to specify the OSPF router.
    a specific destination. The upper limit may differ if you change the value
    of MULTIPATH_NUM during compilation. The default is MULTIPATH_NUM (64).
 
+.. clicmd:: write-multiplier (1-100)
+
+   Use this command to tune the amount of work done in the packet read and
+   write threads before relinquishing control. The parameter is the number
+   of packets to process before returning. The defult value of this parameter
+   is 20.
+
 .. _ospf-area:
 
 Areas