diff --git a/setup.cfg b/setup.cfg
index 6498d44..b2e7f86 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 name = stactools-goes-glm
 version = attr: stactools.goes_glm.__version__
-description = stactools package for the Geostationary Lightning Mapper (GLM) on the GOES-16/R and GOES-17/S satellites. 
+description = stactools package for the Geostationary Lightning Mapper (GLM) on the GOES-16/R, GOES-17/S, and GOES-18/T satellites. 
 long_description = file: README.md
 long_description_content_type = text/markdown
 author = Matthias Mohr