FIX: Prevents "Parse error at ""['asr']"": Expected string_end" on windows

README.md

@@ -223,7 +223,7 @@ Our AI models are designed and/or optimized to run on NVIDIA GPU-accelerated sys
 
 To train, fine-tune or play with the model you will need to install [NVIDIA NeMo](https://github.com/NVIDIA/NeMo). We recommend you install it after you've installed latest PyTorch version.
 ```bash
-pip install -U nemo_toolkit['asr']
+pip install -U nemo_toolkit["asr"]
 ``` 
 The model is available for use in the NeMo toolkit [3], and can be used as a pre-trained checkpoint for inference or for fine-tuning on another dataset.