README.md in librarian-puppet-4.0.1 vs README.md in librarian-puppet-5.0.0

@@ -34,10 +34,12 @@
 framework for writing bundlers, which are tools that resolve, fetch, install,
 and isolate a project's dependencies.
 
 ## Versions
 
+Librarian-Puppet 5.0.0 and newer requires Ruby >= 2.7 and Puppet >= 6. Use version 4.0.1 if you need support for Puppet 6 or Ruby 2.6 or earlier.
+
 Librarian-Puppet 4.0.0 and newer requires Ruby >= 2.5 and Puppet >= 5. Use version 3.0.1 is you need support for Puppet 3 or Puppet 4, or Ruby 2.4 or earlier.
 
 Librarian-Puppet 3.0.0 and newer requires Ruby >= 2.0. Use version 2.2.4 if you need support for Puppet 3.7 or earlier, or Ruby 1.9 or earlier. Note that [Puppet 4.10 and newer require Ruby 2.1](https://puppet.com/docs/puppet/4.10/system_requirements.html#prerequisites) or newer.
 
 Librarian-Puppet 2.0.0 and newer requires Ruby >= 1.9 and uses Puppet Forge API v3. For Ruby 1.8 use 1.5.0.
@@ -202,13 +204,11 @@
 `modules/` directory, overwriting whatever was there before.
 
 Librarian-puppet support both v1 and v3 of the Puppet Forge API.
 Specify a specific API version when installing modules:
 
-    $ librarian-puppet install --use-v1-api # this is default; ignored for official Puppet Forge
-    $ librarian-puppet install --no-use-v1-api # use the v3 API; default for official Puppet Forge
-
-Please note that this does not apply for the official Puppet Forge, where v3 is used by default.
+    $ librarian-puppet install --use-v1-api # use the v1 API
+    $ librarian-puppet install --no-use-v1-api # use the v3 API; this is the default
 
 Get an overview of your `Puppetfile.lock` with:
 
     $ librarian-puppet show