s/ActiveRecord/Active Record according to api guidelines

railties/guides/source/caching_with_rails.textile

@@ -345,7 +345,7 @@ ActionController::Base.cache_store = MyCacheStore.new
 
 h4. Cache Keys
 
-The keys used in a cache can be any object that responds to either +:cache_key+ or to +:to_param+. You can implement the +:cache_key+ method on your classes if you need to generate custom keys. ActiveRecord will generate keys based on the class name and record id.
+The keys used in a cache can be any object that responds to either +:cache_key+ or to +:to_param+. You can implement the +:cache_key+ method on your classes if you need to generate custom keys. Active Record will generate keys based on the class name and record id.
 
 You can use Hashes and Arrays of values as cache keys.
 

railties/guides/source/configuring.textile

@@ -216,19 +216,19 @@ h4. Configuring Active Record
 
 * +config.active_record.pluralize_table_names+ specifies whether Rails will look for singular or plural table names in the database. If set to +true+ (the default), then the Customer class will use the +customers+ table. If set to +false+, then the Customers class will use the +customer+ table.
 
-* +config.active_record.default_timezone+ determines whether to use +Time.local+ (if set to +:local+) or +Time.utc+ (if set to +:utc+) when pulling dates and times from the database. The default is +:utc+ for Rails, although ActiveRecord defaults to +:local+ when used outside of Rails.
+* +config.active_record.default_timezone+ determines whether to use +Time.local+ (if set to +:local+) or +Time.utc+ (if set to +:utc+) when pulling dates and times from the database. The default is +:utc+ for Rails, although Active Record defaults to +:local+ when used outside of Rails.
 
 * +config.active_record.schema_format+ controls the format for dumping the database schema to a file. The options are +:ruby+ (the default) for a database-independent version that depends on migrations, or +:sql+ for a set of (potentially database-dependent) SQL statements.
 
 * +config.active_record.timestamped_migrations+ controls whether migrations are numbered with serial integers or with timestamps. The default is +true+, to use timestamps, which are preferred if there are multiple developers working on the same application.
 
-* +config.active_record.lock_optimistically+ controls whether ActiveRecord will use optimistic locking. By default this is +true+.
+* +config.active_record.lock_optimistically+ controls whether Active Record will use optimistic locking. By default this is +true+.
 
 * +config.active_record.whitelist_attributes+ will create an empty whitelist of attributes available for mass-assignment security for all models in your app.
 
 The MySQL adapter adds one additional configuration option:
 
-* +ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans+ controls whether ActiveRecord will consider all +tinyint(1)+ columns in a MySQL database to be booleans. By default this is +true+.
+* +ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans+ controls whether Active Record will consider all +tinyint(1)+ columns in a MySQL database to be booleans. By default this is +true+.
 
 The schema dumper adds one additional configuration option:
 

railties/guides/source/i18n.textile

@@ -809,7 +809,7 @@ That does not mean you're stuck with these limitations, though. The Ruby I18n ge
 I18n.backend = Globalize::Backend::Static.new
 </ruby>
 
-You can also use the Chain backend to chain multiple backends together. This is useful when you want to use standard translations with a Simple backend but store custom application translations in a database or other backends. For example, you could use the ActiveRecord backend and fall back to the (default) Simple backend:
+You can also use the Chain backend to chain multiple backends together. This is useful when you want to use standard translations with a Simple backend but store custom application translations in a database or other backends. For example, you could use the Active Record backend and fall back to the (default) Simple backend:
 
 <ruby>
 I18n.backend = I18n::Backend::Chain.new(I18n::Backend::ActiveRecord.new, I18n.backend)