fix broken links, clarify documentation

Libraries/LLM/README.md

@@ -1,11 +1,19 @@
 #  Llama
 
-This is a port of the llama model from:
+This is a port of several models from:
 
-- https://github.com/ml-explore/mlx-examples/blob/main/llms/mlx_lm/models/llama.py
+- https://github.com/ml-explore/mlx-examples/blob/main/llms/mlx_lm/models/
 
 You can use this to load models from huggingface, e.g.:
 
 - https://huggingface.co/mlx-community/Mistral-7B-v0.1-hf-4bit-mlx
 
+Currently supported model types are:
+
+- Llama / Mistral
+- Gemma
+- Phi
+
+See [Configuration.swift](Configuration.swift) for more info.
+
 See [llm-tool](../../Tools/llm-tool)

README.md

@@ -1,6 +1,6 @@
 # MLX Swift Examples
 
-Example (mlx-swift)[https://github.com/ml-explore/mlx-swift] programs.
+Example [mlx-swift](https://github.com/ml-explore/mlx-swift) programs.
 
 ## LinearModelTraining
 
@@ -10,7 +10,7 @@ A simple linear model and a training loop.
 
 ## llm-tool
 
-A command line tool for generating text using a Llama / Mistral model:
+A command line tool for generating text using a variety of Hugging Face models:
 
 - [README](Tools/llm-tool/README.md)
 

Tools/llm-tool/README.md

@@ -2,7 +2,7 @@
 
 See various READMEs:
 
-- [Llama](../../Libraries/Llama/README.md)
+- [LLM](../../Libraries/LLM/README.md)
 
 ### Building
 
@@ -21,7 +21,14 @@ To run this in Xcode simply press cmd-opt-r to set the scheme arguments.  For ex
 Then cmd-r to run.
 
 > Note: you may be prompted for access to your Documents directory -- this is where
-the huggingface HubApi stores the downloaded files.
+the Hugging Face HubApi stores the downloaded files.
+
+The model should be a path in the Hugging Face repository, e.g.:
+
+- `mlx-community/Mistral-7B-v0.1-hf-4bit-mlx`
+- `mlx-community/phi-2-hf-4bit-mlx`
+
+See [LLM](../../Libraries/LLM/README.md) for more info.
 
 ### Running (Command Line)