diff --git a/README.md b/README.md
index a7a0996..6dbbd21 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ The following are curated lists of academic accounts on Mastodon by discipline.
 - [Art and Design Teachers](https://docs.google.com/spreadsheets/d/11I1u6SnlJCy4cmuSIzPwmgpY-WK3fPVN2qRil_cWAvU/edit#gid=0)
 - [Asian Studies](https://docs.google.com/spreadsheets/d/10kKyUrBbB5r66xUeuPzV3pM098VqTG7jVTKNSacdCzA/edit?resourcekey=undefined#gid=122506783) (Google Spreadsheet) ([Form to add yourself](https://docs.google.com/forms/d/e/1FAIpQLScTMCM_gzW3MtxHnFt16huEpVclmV9yQXA7TZqHZ3r3vslB-Q/viewform))
 - [Astrophysics](https://www.sebastienmaret.net/astrophysicists-on-mastodon/)
-- [Atmospheric science and air quality](https://jorgesat.github.io/Mastodon-Atmospheric/)
+- [Atmospheric science and air quality](https://jorgesat.github.io/Mastodon-Atmospheric/) ([Google form](https://forms.gle/z9HQNhWFGzGnW5Xa7) to add yourself)
 - [Biblical Studies](https://docs.google.com/spreadsheets/d/1FLKTR3pgFeFwf1VAzCLLokAjyWeGwromfmyndRpYwXw/edit#gid=2052066960) (Google Spreadsheet; [Form to add yourself](https://forms.gle/1D1f6oxBBqPFXxcU6))
 - [Bioinformatics](https://emiller88.github.io/Mastodon-Bioinformatics/)
 - [Biophysics](https://jocelynetienne.github.io/Mastodon-Biophysicists/)
@@ -158,7 +158,6 @@ If you are in academia and do not know where to register your account in the fed
 - [Mastodon.Art](https://mastodon.art/explore) (Creative Arts)
 - [Mathstodon](https://mathstodon.xyz)
 - [Mapstodon](https://mapstodon.space/) (GIS, mapping, geospatial and cartography professionals and enthusiasts)
-- [Med-Mammoth](https://med-mammoth.com/)
 - [Med-Mastodon](https://med-mastodon.com/about)
 - [Medievalist-Masto](https://medievalist.masto.host/)
 - [MIT](https://mastodon.mit.edu/explore) (Unoffical)