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-rw-r--r--actioncable/README.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/actioncable/README.md b/actioncable/README.md
index d14f20d75b..6946dbefb0 100644
--- a/actioncable/README.md
+++ b/actioncable/README.md
@@ -409,7 +409,7 @@ application. The recommended basic setup is as follows:
```ruby
# cable/config.ru
-require ::File.expand_path('../config/environment', __dir__)
+require_relative '../config/environment'
Rails.application.eager_load!
run ActionCable.server