Fix typo

module3/lessons/testing_tools_for_api_consumption.md

@@ -473,7 +473,7 @@ VCR.configure do |config|
   config.filter_sensitive_data('DONT_SHARE_MY_PROPUBLIC_SECRET_KEY') { Rails.application.credentials.propublica[:key] }
   config.default_cassette_options = { re_record_interval: 7.days }
   config.configure_rspec_metadata!
-  config.allow_http_connectins_when_no_cassette = true
+  config.allow_http_connections_when_no_cassette = true
 end
 ```