Fix ROCm nightly install command.

README.md

@@ -94,7 +94,7 @@ AMD users can install rocm and pytorch with pip if you don't have it already ins
 ```pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/rocm5.4.2```
 
 This is the command to install the nightly with ROCm 5.6 that supports the 7000 series and might have some performance improvements:
-```pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/rocm5.6 -r requirements.txt```
+```pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/rocm5.6```
 
 ### NVIDIA