Symptom:
Enabling FCoE feature-set on MDS 9500, 9710 and 9250 switches CCO documentation needs a correction. The link below.

Need a documentation correction on the below link.

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/fcoe/configuration/guide/b_Cisco_NX-OS_FCoE_Configuration_Guide/b_Cisco_NX-OS_FCoE_Configuration_Guide_chapter_011.html#task_8212342157182094854

Current:
Cisco MDS 9000 Series: Enabling FCoE

The Cisco MDS 9700, MDS 9500, and MDS 9250i switch automatically enable the FCoE feature when an FCoE-capable module is present in the chassis. You must enable supporting features and the appropriate QoS policy for FCoE. 

To be updated as below.

Cisco MDS 9000 Series: Enabling FCoE

The Cisco MDS 9500switch automatically enable the FCoE feature when an FCoE-capable module is present in the chassis. MDS 9710 and 9205 switches, the FCoE feature-set is enabled by default without requiring a FCoE capable module to be inserted in the system. MDS 9250i switches already have fixed FCoE ports.

Conditions:
None