diff --git a/README.md b/README.md
index 7256598..ad98fd2 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Valid         valid
 Token         [generated token]
 ```
 
-Generate a token with a 10 year expiration, verify, and copy directly to clipboard (OSX):
+Generate a token with a 10 year expiration, verify, and copy directly to clipboard (macOS via `pbcopy`):
 
 ```
 $ npx mapkitjs-token --kid ABC123DEFG --iss DEF123GHIJ --key ./secret.p8  --exp 10y --stdout | pbcopy