diff --git a/app/views/skylight/docs/chapters/_60-environments.md b/app/views/skylight/docs/chapters/_60-environments.md
index dc3b77c..1371d1a 100644
--- a/app/views/skylight/docs/chapters/_60-environments.md
+++ b/app/views/skylight/docs/chapters/_60-environments.md
@@ -119,7 +119,7 @@ For example, in Sinatra:
 ```ruby
 configure :production, :staging do
   require "skylight/sinatra"
-  Skylight.start!(file: PATH_TO_CONFIG, env: ENVIRONMENT)
+  Skylight.start!(file: PATH_TO_CONFIG, environment: ENVIRONMENT)
 end
 ```
 
@@ -156,7 +156,7 @@ For example, in Sinatra:
 ```ruby
 configure :production, :staging do
   require "skylight/sinatra"
-  Skylight.start!(env: ENVIRONMENT)
+  Skylight.start!(environment: ENVIRONMENT)
 end
 ```