diff --git a/README.md b/README.md
index d98f9d4..69a752e 100644
--- a/README.md
+++ b/README.md
@@ -32,11 +32,11 @@ See public/licenses.txt
 
 ## Installation
 
-* Ruby 2.7.4
+* Ruby 3.1.4
 * A Ruby version manager such as [RVM](https://rvm.io/) or [rbenv](https://github.com/rbenv/rbenv) is strongly recommended.
 
 ### Initial setup
-Once the repository is cloned locally and Ruby 2.5.3 is installed, you must install the dependencies.
+Once the repository is cloned locally and Ruby 3.1.4 is installed, you must install the dependencies.
 If you don't have the [bundler](https://bundler.io/) gem already installed, execute the command below in the project root directory:
 
     gem install bundler   
@@ -147,11 +147,9 @@ that the application needs in order to run.  A sample _config/application.yml_ f
 
     development:
         <<: *current
-        CMR_ECHO_SYSTEM_TOKEN: "CMR system token with tagging permissions in the CMR environment that development uses"
 
     production:
         <<: *current
-        CMR_ECHO_SYSTEM_TOKEN: "CMR system token with tagging permissions in the CMR PROD environment"
 
     test: &test
         # test values are already defaulted to enable CI automated Rspec and cucumber tests