Polish lineage disclosure

README.md

@@ -124,8 +124,8 @@ suite is not claimed here.
   dependency on another model service.
 
 **Lineage:** Qwen3-1.7B → Hanno-Labs Bosun 3.1 1.7B → Pluto-2.1 2,000-step
-fine-tune → merged standalone checkpoint. This is disclosed because it is true;
-the release is not presented as trained from random initialization.
+fine-tune → merged standalone checkpoint. Pluto-2.1 is self-contained at
+inference: no adapter files are needed and no base model is downloaded at runtime.
 
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