README.md in oslg-0.2.10 vs README.md in oslg-0.3.0

@@ -4,10 +4,10 @@
 
 ```
 gem "oslg", git: "https://github.com/rd2/oslg", branch: "main"
 ```
 
-... in a v2.1 [bundled](https://bundler.io) development environment "Gemfile" (or instead as a _gemspec_ dependency), and then run:
+... in a v2.x [bundled](https://bundler.io) development environment "Gemfile" (or instead as a _gemspec_ dependency), and then run:
 
 ```
 bundle install (or 'bundle update')
 ```