fix typo

Author: GSmithApps

activities-stateful/README.md

@@ -19,6 +19,6 @@ There are a few key changes compared to a normal, stateless activity.
 1. `npm run start.watch` to start the Worker.
 1. In another shell, `npm run workflow` to run the Workflow Client.
 
-The Workflow should try a few times, throwing a `not yet` error each time,
+The Workflow should try four times, throwing a `not yet` error each time,
 and then on the fifth try, it should log `Hello Temporal!` to the
 console and complete.