Added info about S3 region

config/initializers/s3.rb

@@ -2,8 +2,8 @@ CarrierWave.configure do |config|
   config.fog_credentials = {
       :provider               => 'AWS',
       :aws_access_key_id      => ENV['S3_KEY'],
-      :aws_secret_access_key  => ENV['S3_SECRET'],
-      :region                 => 'us-east-1'
+      :aws_secret_access_key  => ENV['S3_SECRET']
+      # :region                 => ENV['S3_REGION'] # Change this for different AWS region. Default is 'us-east-1'
   }
   config.fog_directory  = ENV['S3_BUCKET']
 end