Merge pull request #1210 from PCMDI/lee1043-patch-1

Update README.md

README.md

@@ -275,6 +275,22 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 
 This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification.
 
+## Disclaimer
+This document was prepared as an account of work sponsored by an
+agency of the United States government. Neither the United States government
+nor Lawrence Livermore National Security, LLC, nor any of their employees
+makes any warranty, expressed or implied, or assumes any legal liability or
+responsibility for the accuracy, completeness, or usefulness of any
+information, apparatus, product, or process disclosed, or represents that its
+use would not infringe privately owned rights. Reference herein to any specific
+commercial product, process, or service by trade name, trademark, manufacturer,
+or otherwise does not necessarily constitute or imply its endorsement,
+recommendation, or favoring by the United States government or Lawrence
+Livermore National Security, LLC. The views and opinions of authors expressed
+herein do not necessarily state or reflect those of the United States
+government or Lawrence Livermore National Security, LLC, and shall not be used
+for advertising or product endorsement purposes.
+