minor fixes in README.md
```
$ git clone https://github.com/opentensor/bittensor.git # Clone the repository
$ cd bittensor && pip install -r requirements.txt && pip install -e . # Install bittensor
-$ bittensor-cli new_wallet # Generate default keys
+$ bin/bittensor-cli new_wallet # Generate default keys
```
# Run Subtensor
@@ -28,7 +28,7 @@ $ ./bin/release/node-subtensor
# Run Bittensor
```
-$ python examples/text/gpt2-wiki.py --session.trial_uid=test # Train gpt2 on wiki-text
+$ python examples/TEXT/gpt2_wiki.py --session.trial_uid=test # Train gpt2 on wiki-text
$ tensorboard --logdir=~/.bittensor/sessions/gpt2-wiki/test # Serve tensorboard
```
