docs: TabPFN in the teacher-license notes

The Prior Labs License (Apache 2.0 + one provision) explicitly permits
distillation including commercial use, conditioned on attribution when
the student is distributed. That gives users a legitimately distillable
in-context tabular teacher alongside Chronos, in contrast to TabFM.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: mstrathman

README.md

@@ -211,7 +211,10 @@ derived from its teacher, and some model licenses restrict that: TabFM's
 non-commercial license, for example, permits testing and evaluation (which
 is what our benchmarks are) but expressly excludes distilling it for
 commercial use or deploying its outputs in production. Chronos is
-Apache-2.0, and your own labels or models carry no such limits. The
+Apache-2.0; TabPFN's Prior Labs License permits distillation, including
+commercially, if you attribute ("Built with PriorLabs-TabPFN" and a
+TabPFN-prefixed model name) when you distribute the student; your own
+labels or models carry no such limits. The
 extension's license gate (`accept_license`) makes a restrictively-licensed
 teacher an explicit opt-in rather than an accident, but checking that your
 use fits the teacher's license is on you.

website/src/content/docs/guides/distillation.md

@@ -78,8 +78,10 @@ from its own target columns needs nothing extra.
 
 One caveat that is not mechanical: **the teacher's license governs what you
 may distill**. A student is derived from its teacher, and some model
-licenses restrict distillation or commercial use of outputs (TabFM's
-non-commercial license does both; Chronos is Apache-2.0; your own labels
-and models carry no such limits). The `accept_license` option makes a
+licenses restrict distillation or commercial use of outputs. TabFM's
+non-commercial license does both; TabPFN's Prior Labs License permits
+distillation, commercially too, with attribution when you distribute the
+student; Chronos is Apache-2.0; your own labels and models carry no such
+limits. The `accept_license` option makes a
 restrictively-licensed teacher an explicit opt-in, but confirming that your
 use fits the teacher's terms is your responsibility.