Update readme.md

Author: williamyang1991

models/stylegan2/op/readme.md

@@ -4,7 +4,7 @@ Scripts to convert rosinality/stylegan2-pytorch to the CPU compatible format
 
 If you would like to use CPU for testing or have a problem regarding the cpp extention (fused and upfirdn2d), please make the following changes:
 
-Change `model.stylegan.op`  to `model.stylegan.op_cpu`
+Change `model.stylegan2.op_old`  to `model.stylegan2.op`
 https://github.com/williamyang1991/VToonify/blob/01b383efc00007f9b069585db41a7d31a77a8806/util.py#L14
 
 https://github.com/williamyang1991/VToonify/blob/01b383efc00007f9b069585db41a7d31a77a8806/model/simple_augment.py#L12