1 files changed, 10 insertions, 6 deletions
diff --git a/guides/code/getting_started/config/environments/development.rb b/guides/code/getting_started/config/environments/development.rb
index ed2667ac58..5c1c600feb 100644
--- a/guides/code/getting_started/config/environments/development.rb
+++ b/guides/code/getting_started/config/environments/development.rb
@@ -1,4 +1,4 @@
-Blog::Application.configure do
+Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
   # In the development environment your application's code is reloaded on
@@ -22,13 +22,17 @@ Blog::Application.configure do
   # Only use best-standards-support built into browsers.
   config.action_dispatch.best_standards_support = :builtin
 
-  # Log the query plan for queries taking more than this (works
-  # with SQLite, MySQL, and PostgreSQL).
-  config.active_record.auto_explain_threshold_in_seconds = 0.5
-
-  # Raise an error on page load if there are pending migrations
+  # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
 
   # Debug mode disables concatenation and preprocessing of assets.
   config.assets.debug = true
+
+  # Generate digests for assets URLs.
+  config.assets.digest = true
+
+  # Adds additional error checking when serving assets at runtime.
+  # Checks for improperly declared sprockets dependencies.
+  # Raises helpful error messages.
+  config.assets.raise_runtime_errors = true
 end