📝 Update README.md

Author: sinsoku

README.md

@@ -54,6 +54,7 @@ Usage: bundle diff [options]
                                        default
                                        md_table
         --escape-json                Escape output as a JSON string
+        --access-token ACCESS_TOKEN  Set access token for GitHub API
     -v, --version                    Display the version
 ```
 

lib/bundler_diff.rb

@@ -19,7 +19,7 @@ def parse_options(args) # rubocop:disable Metrics/MethodLength
       options = {}
 
       opt = OptionParser.new
-      opt.banner = 'Usage: bundle diffgems [options]'
+      opt.banner = 'Usage: bundle diff [options]'
       opt.on('-c', '--commit COMMIT', 'Specify a commit') { |val| options[:commit] = val }
       formatter_desc = [
         'Choose a formatter',