Update disclaimer

Author: m-mohr

README.md

@@ -14,12 +14,11 @@ There are two STAC extensions, one for Optical and one for SAR:
 ## Disclaimer
 
 The extensions are not officially approved by CEOS, but there's a desire to get CEOS approval.
-Nevertheless, the SAR extensions have been discussed in-depth with the corresponding CEOS working group.
-Unfortunately, we did not find anyone at CEOS to discuss the Optical extensions with.
+Nevertheless, the extensions have been discussed with CEOS.
 The STAC extensions don't allow to fulfill 100% target compliance (but most of it),
 but they surely allow to be 100% threshold compliant.
 
-The extensions were written as part of the project [openEO Platform](https://platform.openeo.org)
+The extensions were written as part of the project [openEO Platform](https://openeo.cloud)
 with funding from [ESA](https://www.esa.int).
 Contact [Matthias Mohr](https://github.com/m-mohr) for details.