diff --git a/doc/src/docbkx/openstack-network-connectivity-admin/quantum-admin-guide.xml b/doc/src/docbkx/openstack-network-connectivity-admin/quantum-admin-guide.xml
index 6588e02ea9..ccebe5108e 100644
--- a/doc/src/docbkx/openstack-network-connectivity-admin/quantum-admin-guide.xml
+++ b/doc/src/docbkx/openstack-network-connectivity-admin/quantum-admin-guide.xml
@@ -262,7 +262,7 @@
             install all dependencies listed in tools/pip-requires .  For example, on Ubuntu:
             <literallayout class="monospaced">
             sudo apt-get install python-pip
-            sudo pip install tools/pip-requires
+            sudo pip install -r tools/pip-requires
             </literallayout>
             </para>
             <para>