Update README.md

README.md

@@ -9,8 +9,9 @@ language:
 ## Which file to use for generating the importance matrix
 
 Not all importance matrices are equal. The best results are obtained when using a source file similar to the
-training data. Size also matters: the bigger the model, the bigger the source file needs to be to make an impact.
-Multiple input files can be combined if needed, for example with the cat command:
+training data. Size also matters: the bigger the model (eg: 70b vs 13b) and the higher the quant (eg: q6k_ vs iq3_xs),
+the bigger the source file needs to be to make an impact. Multiple input files can be combined if needed; 
+for example:
 ```
 cat technical.txt multilingual.txt wiki.txt >custom.txt
 ```