diff --git a/README.md b/README.md
index db2692a..6f918f7 100644
--- a/README.md
+++ b/README.md
@@ -30,12 +30,10 @@ These are the variables you're likely to want to change.  They are defined in [p
 
 | Variable               | Description                                                                                                                                                                                                                                                                                                                                | Default                                                                                                                                                                  |
 |------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| power_max_default_multi| Must be a float.<br/><br/>Sets the AMD GPU power limit for the newly-created `amdgpu-default` GPU profiles in `tuned`.<br/><br/>A multiplier against the board power _capability_                                                                                                                                                          | `0.928793` or ~`93%`, provides roughly 300W from my 323W board capability.                                                                                               |
-| power_max_custom_multi | Same as above but for the non-default `amdgpu` profiles in `tuned`.  eg: `...-amdgpu-{VR,custom}`                                                                                                                                                                                                                                          | `0.82` or `82%`, my 6900XT defaults to ~87% -- allowing for slightly less power                                                                                          |
 | gpu_clock_min          | Sets the minimum (dynamic) GPU clock for the non-default `amdgpu` profiles                                                                                                                                                                                                                                                                 | 2000, results in 2Ghz                                                                                                                                                    |
 | gpu_clock_max          | Sets the maximum (dynamic) GPU clock for the non-default `amdgpu` profiles                                                                                                                                                                                                                                                                 | 2615, results in 2.62Ghz (rounded) -- mild overclock                                                                                                                     |
 | gpumem_clock_max       | Sets the _static_ memory clock for the GPU.  This is *not* the _effective_ data rate.  That is a multiple of this depending on the type of VRAM.<br/><br/>To avoid flickering this does *not* change dynamically with load.                                                                                                                | 1075, results in 1.1Ghz (base, rounded)                                                                                                                                  |
 | gpu_mv_offset          | GPU core voltage offset.  Takes +/- some integer in millivolts.  Can be used to both over _and_ under volt.                                                                                                                                                                                                                                | `-25` (undervolt `25mV` or `0.025V`)                                                                                                                                     |
 | base_profiles          | List of base tuned profiles to clone in the new AMDGPU profiles.  Defaults based on `Fedora`                                                                                                                                                                                                                                               | <ul><li>`balanced`</li><li>`desktop`</li><li>`latency-performance`</li><li>`network-latency`</li><li>`network-throughput`</li><li>`powersave`</li><li>`virtual-host`</li>|
-| amdgpu_profiles        | Dictionary mapping the AMDGPU power profiles found in `/sys/class/drm/card*/device/pp_power_profile_mode`.<br/><br>Allows adjustment to the automatic power/clock handling in the GPU using either predefined profiles or `custom`<br/><br/>More may be added, only three GPU power profiles are provided -- `default`, `VR`, and `custom`.| <pre>default:<br/>  pwrmode: 0<br/>VR:<br/>  pwrmode: 4<br/>custom:<br/>  pwrmode: 6</pre>|
+| amdgpu_profiles        | Dictionary mapping the AMDGPU power profiles found in `/sys/class/drm/card*/device/pp_power_profile_mode` and custom power limits.<br/><br>For each item, two keys: `pwrmode` and `pwr_cap_multi`.<br/><br/>`pwrmode` maps to the number assigned in `/sys` above.<br/>`pwr_cap_multi` is a multiplier against board power capability. Must be a float, eg: `0.5` for *50%* | <pre>default:<br/>  pwrmode: 0<br/>  pwr_cap_multi: 0.75 # 75% relatively safe default<br/>VR:<br/>  pwrmode: 4<br/>  pwr_cap_multi: 0.8 # 80%, likely slight boost<br/>custom:<br/>  pwrmode: 6<br/>  pwr_cap_multi: 1.0 # 100%, full GPU board capability - extreme heat</pre>|