Update README.md (#28)

Summary:
Updating a few URLs and broken links.

Pull Request resolved: #28

Reviewed By: JFChi

Differential Revision: D56387027

Pulled By: ujjwalkarn

fbshipit-source-id: 02066c43f4743f0e4f406be317f5125d6f73a231

Llama-Guard2/README.md

@@ -24,7 +24,7 @@ re-request a link.
 Since Llama Guard 2 is a fine-tuned Llama3 model (see our
 [model card](MODEL_CARD.md) for more information), the same quick start steps
 outlined in our
-[README file](https://github.com/facebookresearch/llama/blob/main/README.md) for
+[README file](https://github.com/meta-llama/llama3/blob/main/README.md) for
 Llama3 apply here.
 
 In addition to that, we added examples using Llama Guard 2 in the
@@ -36,13 +36,13 @@ Please report any software bug, or other problems with the models through one of
 the following means:
 
 - Reporting issues with the Llama Guard model:
-  [github.com/facebookresearch/purplellama](github.com/facebookresearch/purplellama)
+  [github.com/meta-llama/PurpleLlama](https://github.com/meta-llama/PurpleLlama)
 - Reporting issues with Llama in general:
-  [github.com/facebookresearch/llama](github.com/facebookresearch/llama)
+  [github.com/meta-llama/llama3](https://github.com/meta-llama/llama3)
 - Reporting risky content generated by the model:
-  [developers.facebook.com/llama_output_feedback](developers.facebook.com/llama_output_feedback)
+  [developers.facebook.com/llama_output_feedback](https://developers.facebook.com/llama_output_feedback)
 - Reporting bugs and security concerns:
-  [facebook.com/whitehat/info](facebook.com/whitehat/info)
+  [facebook.com/whitehat/info](https://facebook.com/whitehat/info)
 
 # License
 
@@ -52,7 +52,7 @@ industry through this opportunity, while fostering an environment of discovery
 and ethical AI advancements.
 
 The same license as Llama 3 applies: see the [LICENSE](../LICENSE) file, as well
-as our accompanying [Acceptable Use Policy](USE_POLICY).
+as our accompanying [Acceptable Use Policy](USE_POLICY.md).
 
 # Citation
 ```