Update README.md

README.md

@@ -9,6 +9,7 @@ This version has then been quantized to 4-bit using [GPTQ-for-LLaMa](https://git
 ## Other Koala repos
 
 I have also made these other Koala models available:
+* [GPTQ quantized 4bit 13B model in GGML format for llama.cpp](https://huggingface.co/TheBloke/koala-13B-GPTQ-4bit-128g-GGML)
 * [Unquantized 13B model in HF format](https://huggingface.co/TheBloke/koala-13B-HF)
 * [GPTQ quantized 4bit 7B model in `pt` and `safetensors` formats](https://huggingface.co/TheBloke/koala-7B-4bit-128g)
 * [Unquantized 7B model in HF format](https://huggingface.co/TheBloke/koala-7B-HF)