Update README.md

README.md

@@ -192,6 +192,10 @@ tags:
 <!-- ### tags: nicoboss -->
 weighted/imatrix quants of https://huggingface.co/meta-llama/Meta-Llama-3.1-405B-Instruct
 
+These imatrix quants have recently been requantized from a higher quality imatrix calculated
+from the source model instead of the Q8_0, in what was probably the largest distributed imatrix
+computation to date (and also one of the first).
+
 <!-- provided-files -->
 static quants are available at https://huggingface.co/mradermacher/Meta-Llama-3.1-405B-Instruct-GGUF
 ## Usage
@@ -211,7 +215,7 @@ more details, including on how to concatenate multi-part files.
 Here is a handy graph by ikawrakow comparing some lower-quality quant
 types (lower is better):
 
-![image.png](https://www.nethype.de/huggingface_embed/quantpplgraph.png)
+![image.png]()
 
 And here are Artefact2's thoughts on the matter:
 https://gist.github.com/Artefact2/b5f810600771265fc1e39442288e8ec9