diff --git a/man/gnt-cluster.rst b/man/gnt-cluster.rst
index 8d0afa84aaab352a4b8c5e521d3289ba99f06177..69fe7259c0b282bb1f71c5d6296f31f58de77b76 100644
--- a/man/gnt-cluster.rst
+++ b/man/gnt-cluster.rst
@@ -334,10 +334,10 @@ configurable globally (at cluster level):
 migration\_port
     Valid for the Xen PVM and KVM hypervisors.
 
-    This options specifies the TCP port to use for live-migration. For
-    Xen, the same port should be configured on all nodes in the
-    ``@XEN_CONFIG_DIR@/xend-config.sxp`` file, under the key
-    "xend-relocation-port".
+    This options specifies the TCP port to use for live-migration when
+    using the xm toolstack. The same port should be configured on all
+    nodes in the ``@XEN_CONFIG_DIR@/xend-config.sxp`` file, under the
+    key "xend-relocation-port".
 
 migration\_bandwidth
     Valid for the KVM hypervisor.