Correct "Available params" link in create_flavor

Available params link in create_flavor is invalid, and this is to
correct this.

Change-Id: Ib1eb62723ae44436f2ff5db1fb4218d7a77ff463
diff --git a/tempest/lib/services/compute/flavors_client.py b/tempest/lib/services/compute/flavors_client.py
index e377c84..0d80a82 100644
--- a/tempest/lib/services/compute/flavors_client.py
+++ b/tempest/lib/services/compute/flavors_client.py
@@ -52,7 +52,7 @@
         """Create a new flavor or instance type.
 
         Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#create-flavors
+                              api-ref-compute-v2.1.html#createFlavor
         """
         if kwargs.get('ephemeral'):
             kwargs['OS-FLV-EXT-DATA:ephemeral'] = kwargs.pop('ephemeral')