diff --git a/githubdocs/MacRelease.md b/githubdocs/MacRelease.md
index 0e8776937..b57aca204 100644
--- a/githubdocs/MacRelease.md
+++ b/githubdocs/MacRelease.md
@@ -61,7 +61,7 @@ At the time of writing, Minsky requires Node 22, and npm 10:
 - sudo n install 22
 - sudo npm install -g npm@10
 - cd gui-js; npm install
-- on Ventura (Intel builds) electron-builder needs to be 24.13.3 or older:
+- on Big Sur (Intel builds) electron-builder needs to be 24.13.3 or older:
   `cd gui-js; npm install electron-builder@24.13.3`
   
 # compile Minsky