diff --git a/README.md b/README.md
index 4e697ba..509f57a 100644
--- a/README.md
+++ b/README.md
@@ -99,7 +99,7 @@ Readme](web/README.md)
 
 These are the variables that you MUST change before deploying:
 
-- `HYPERKITT_API_KEY`: Hyperkitty's API Key, should be set to the same value as
+- `HYPERKITTY_API_KEY`: Hyperkitty's API Key, should be set to the same value as
   set for the mailman-core.
 
 - `DATABASE_URL`: URL of the type
@@ -369,4 +369,4 @@ more details.
 [11]: https://mailman.readthedocs.io/en/latest/src/mailman/docs/database.html
 [12]: http://www.postfix.org/
 [13]: http://semver.org/
-[14]: https://docs.docker.com/engine/security/trust/content_trust/
\ No newline at end of file
+[14]: https://docs.docker.com/engine/security/trust/content_trust/