Clarify checkpoint non-commercial-use boundary

README.md

@@ -148,7 +148,7 @@ The evaluator is acquired from the
 | Audio2Sph + Panoramic Decoder | Class-agnostic panoramic acoustic maps | [`audio2sph.ckpt`](https://huggingface.co/IN03X/SAID/resolve/main/audio2sph.ckpt) · [card](docs/checkpoints/audio2sph.md) |
 
 All published checkpoints are verified by filename, size, tensor schema, dtype,
-and SHA256 before loading. They are released for non-commercial research use
+and SHA256 before loading. They are released for non-commercial research use only
 under the [SAID Model Weights Non-Commercial Research License 1.0](LICENSES/SAID-Model-Weights-NonCommercial-1.0.txt)
 and all applicable upstream terms.
 
@@ -207,8 +207,8 @@ terms. The complete attribution and license boundaries are recorded in
 
 Commercial applications can train new models with the MIT-licensed SAID code
 and independently obtained components and data whose licenses permit the
-intended use. The published checkpoints, including modified or fine-tuned
-derivatives, are not licensed for commercial use.
+intended use. Commercial use of these checkpoints, including modified or
+fine-tuned derivatives, is not permitted under the weights license.
 
 ## Citation