--opencl-device-types vs. reported Device #?

[Kgx Pnqvhm]

How is the "filtered list" option "--opencl-devices" used?

hashcat64.exe  --opencl-devices 1 gets:

OpenCL Platform #1: NVIDIA Corporation
======================================
- Device #1: GeForce GTX 970, 1024/4096 MB allocatable, 13MCU

OpenCL Platform #2: Intel(R) Corporation
========================================
- Device #2: Intel(R) Core(TM) i3 CPU         550  @ 3.20GHz, skipped


But hashcat64.exe --opencl-devices 2 gets neither:

OpenCL Platform #1: NVIDIA Corporation
======================================
- Device #1: GeForce GTX 970, skipped

OpenCL Platform #2: Intel(R) Corporation
========================================
- Device #2: Intel(R) Core(TM) i3 CPU         550  @ 3.20GHz, skipped


Note that the help file item for "--opencl-device-types" does not have the "see references below" warning seen on other items.

Edited: Maybe the "--opencl-platforms" option makes more sense?

hashcat64.exe --opencl-platforms 1 gets:

OpenCL Platform #1: NVIDIA Corporation, skipped

OpenCL Platform #2: Intel(R) Corporation
========================================
- Device #1: Intel(R) Core(TM) i3 CPU         550  @ 3.20GHz, 4061/16247 MB allocatable, 4MCU

While

hashcat64.exe --opencl-platforms 1 gets:

OpenCL Platform #1: NVIDIA Corporation
======================================
- Device #1: GeForce GTX 970, 1024/4096 MB allocatable, 13MCU

OpenCL Platform #2: Intel(R) Corporation, skipped

At least the numbers "match."