diff --git a/doc/source/background.md b/doc/source/background.md
index 97226142..1da2dcec 100644
--- a/doc/source/background.md
+++ b/doc/source/background.md
@@ -41,7 +41,7 @@ any new contributors! See how to contribute on [the dedicated page of our reposi
 Members of the lead development team acknowledge funding from:
 - SNSF grant no. 184634, a MeteoSwiss [GCOS](https://gcos.wmo.int/en/home) project on elevation data analysis for glaciology,
 - NASA award 80NSSC22K1094, an [STV](https://science.nasa.gov/earth-science/decadal-surveys/decadal-stv/) project on the fusion of elevation data,
-- NASA award 80NSSC20K0995, an [ICESat-2](https://icesat-2.gsfc.nasa.gov/) project on the processing of elevation data in the cloud,
+- NASA award 80NSSC23K0192, an [ICESat-2](https://icesat-2.gsfc.nasa.gov/) project on the processing of elevation data in the cloud,
 - CNES (French Space Agency): ?.