update terms

Signed-off-by: Mingxin Zheng <mingxinz@nvidia.com>

EXPLAINABILITY.md

@@ -10,4 +10,4 @@ Technical Limitations & Mitigation:
 Verified to have met prescribed NVIDIA quality standards:                                                |  Yes
 Performance Metrics:                                                                                    |  Latency, Task success rate
 Potential Known Risks:                                                                                  |  This model may make unexpected movements if deployed in environments outside the Rheo simulation. The model may not fully adhere to protocols or manage unforeseen scenarios when operating outside the simulated environment.
-Licensing:                                                                                              |  Nvidia License
+Licensing:                                                                                              |  Governing Terms: Your usage of the GR00T-N1.6-Rheo-PushCart model is governed by the [NVIDIA License](https://developer.download.nvidia.cn/licenses/NVIDIA-OneWay-Noncommercial-License-22Mar2022.pdf?t=eyJscyI6ImdzZW8iLCJsc2QiOiJodHRwczovL3d3dy5nb29nbGUuY29tLyIsIm5jaWQiOiJzby15b3V0LTg3MTcwMS12dDQ4In0=).

README.md

@@ -6,7 +6,7 @@ This model is ready for commercial/non-commercial use.
 
 ### License/Terms of Use
 **Governing Terms:** Your usage of the GR00T-N1.6-Rheo-PushCart model is governed by the [NVIDIA License](https://developer.download.nvidia.cn/licenses/NVIDIA-OneWay-Noncommercial-License-22Mar2022.pdf?t=eyJscyI6ImdzZW8iLCJsc2QiOiJodHRwczovL3d3dy5nb29nbGUuY29tLyIsIm5jaWQiOiJzby15b3V0LTg3MTcwMS12dDQ4In0=).<br>
-You are responsible for ensuring that your use of NVIDIA AI Foundation Models complies with all applicable laws.
+You are responsible for ensuring that your use of NVIDIA provided models complies with all applicable laws.
 
 ### Deployment Geography
 Global