Update README.md

Documenting fix for tokenizer in mergekit recipe

README.md

@@ -411,5 +411,6 @@ parameters:
       value: [0.25, 0.35, 0.55, 0.35, 0.25]
     - value: 0.45  # default for other components
 dtype: bfloat16
-
+tokenizer:
+  source: deepseek-ai/DeepSeek-R1-Distill-Llama-70B #necessary to fix tokenizer
 ```