Update README.md

fixing license and adding link

README.md

@@ -1,5 +1,6 @@
 ---
 language: en
+license: mit
 tags:
 - exbert
 datasets: 
@@ -28,12 +29,14 @@ datasets:
 - **Developed by:** OpenAI, see [GitHub Repo](https://github.com/openai/gpt-2-output-dataset/tree/master/detector) and [associated paper](https://d4mucfpksywv.cloudfront.net/papers/GPT_2_Report.pdf) for full author list
 - **Model Type:** Fine-tuned transformer-based language model
 - **Language(s):** English
-- **License:** Unknown
+- **License:** MIT
 - **Related Models:** [RoBERTa base](https://huggingface.co/roberta-base), [GPT-XL (1.5B parameter version)](https://huggingface.co/gpt2-xl), [GPT-Large (the 774M parameter version)](https://huggingface.co/gpt2-large), [GPT-Medium (the 355M parameter version)](https://huggingface.co/gpt2-medium) and [GPT-2 (the 124M parameter version)](https://huggingface.co/gpt2)
 - **Resources for more information:**
   - [Research Paper](https://d4mucfpksywv.cloudfront.net/papers/GPT_2_Report.pdf) (see, in particular, the section beginning on page 12 about Automated ML-based detection).
   - [GitHub Repo](https://github.com/openai/gpt-2-output-dataset/tree/master/detector)
-  - [OpenAI Blog Post](https://openai.com/blog/gpt-2-1-5b-release/)
+  - [OpenAI Blog Post](https://openai.com/blog/gpt-2-1-5b-release/
+  - [Explore the detector model here](https://huggingface.co/openai-detector )
+
 
 ## How to Get Started with the Model