Explain how to install a beta version of a gem (#41)

arnoFleming · web-flow · commit 8dbe91f20c0a · 2018-10-03T18:20:29.000+02:00
diff --git a/README.md b/README.md
@@ -24,7 +24,7 @@ For your API key and additional info please visit our [developer portal](https:/
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'wetransfer'
+gem 'wetransfer', version: '0.9.0.beta1'
 ```
 
 And then execute:
diff --git a/lib/we_transfer_client/version.rb b/lib/we_transfer_client/version.rb
@@ -1,3 +1,3 @@
 module WeTransfer
-  VERSION = '0.9.0.beta'
+  VERSION = '0.9.0.beta1'
 end
