Update README.md

README.md

@@ -40,6 +40,12 @@ tags:
 
 This repo contains GGML format model files for [NousResearch's Nous Hermes Llama2 70B](https://huggingface.co/NousResearch/Nous-Hermes-Llama2-70b).
 
+### Important note regarding GGML files.
+
+The GGML format has now been superseded by GGUF. As of August 21st 2023, [llama.cpp](https://github.com/ggerganov/llama.cpp) no longer supports GGML models. Third party clients and libraries are expected to still support it for a time, but many may also drop support.
+
+### About GGML
+
 GPU acceleration is now available for Llama 2 70B GGML files, with both CUDA (NVidia) and Metal (macOS). The following clients/libraries are known to work with these files, including with GPU acceleration:
 * [llama.cpp](https://github.com/ggerganov/llama.cpp), commit `e76d630` and later.
 * [text-generation-webui](https://github.com/oobabooga/text-generation-webui), the most widely used web UI.
@@ -68,7 +74,7 @@ GPU acceleration is now available for Llama 2 70B GGML files, with both CUDA (NV
 <!-- compatibility_ggml start -->
 ## Compatibility
 
-### Requires llama.cpp [commit `e76d630`](https://github.com/ggerganov/llama.cpp/commit/e76d630df17e235e6b9ef416c45996765d2e36fb) or later.
+### Compatible with [commit `e76d630`](https://github.com/ggerganov/llama.cpp/commit/e76d630df17e235e6b9ef416c45996765d2e36fb) until August 21st 2023.
 
 Or one of the other tools and libraries listed above.
 
@@ -142,6 +148,10 @@ sudo apt update -y && sudo apt install 7zip
 
 ## How to run in `llama.cpp`
 
+Make sure you are using `llama.cpp` from commit [dadbed99e65252d79f81101a392d0d6497b86caa](https://github.com/ggerganov/llama.cpp/commit/dadbed99e65252d79f81101a392d0d6497b86caa) or earlier.
+
+For compatibility with latest llama.cpp, please use GGUF files instead.
+
 I use the following command line; adjust for your tastes and needs:
 
 ```