1 files changed, 19 insertions, 19 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile
index 1c17609b0a..cd7a183def 100644
--- a/railties/guides/source/active_support_core_extensions.textile
+++ b/railties/guides/source/active_support_core_extensions.textile
@@ -159,7 +159,7 @@ NOTE: Defined in +active_support/core_ext/object/duplicable.rb+.
 
 h4. +returning+
 
-The method +returning+ yields its argument to a block and returns it. You tipically use it with a mutable object that gets modified in the block:
+The method +returning+ yields its argument to a block and returns it. You typically use it with a mutable object that gets modified in the block:
 
 <ruby>
 def html_options_for_form(url_for_options, options, *parameters_for_url)
@@ -187,7 +187,7 @@ def log_info(sql, name, ms)
 end
 </ruby>
 
-You can shorten that using +Object#try+. This method is a synonim for +Object#send+ except that it returns +nil+ if sent to +nil+. The previous example could then be rewritten as:
+You can shorten that using +Object#try+. This method is a synonym for +Object#send+ except that it returns +nil+ if sent to +nil+. The previous example could then be rewritten as:
 
 <ruby>
 def log_info(sql, name, ms)
@@ -294,7 +294,7 @@ we get:
 user_path(@user) # => "/users/357-john-smith"
 </ruby>
 
-WARNING. Controllers need to be aware of any redifinition of +to_param+ because when a request like that comes in "357-john-smith" is the value of +params[:id]+.
+WARNING. Controllers need to be aware of any redefinition of +to_param+ because when a request like that comes in "357-john-smith" is the value of +params[:id]+.
 
 NOTE: Defined in +active_support/core_ext/object/to_param.rb+.
 
@@ -332,7 +332,7 @@ Arrays return the result of applying +to_query+ to each element with <tt>_key_[]
 # => "sample%5B%5D=3.4&sample%5B%5D=-45.6"
 </ruby>
 
-Hashes also respond to +to_query+ but with a different signature. If no argument is passed a call generates a sorted series of key/value assigments calling +to_query(key)+ on its values. Then it joins the result with "&":
+Hashes also respond to +to_query+ but with a different signature. If no argument is passed a call generates a sorted series of key/value assignments calling +to_query(key)+ on its values. Then it joins the result with "&":
 
 <ruby>
 {:c => 3, :b => 2, :a => 1}.to_query # => "a=1&b=2&c=3"
@@ -656,9 +656,9 @@ h5. Internal Attributes
 
 When you are defining an attribute in a class that is meant to be subclassed name collisions are a risk. That's remarkably important for libraries.
 
-Active Support defines the macros +attr_internal_reader+, +attr_internal_writer+, and +attr_internal_accessor+. They behave like their Ruby builtin +attr_*+ counterparts, except they name the unerlying instace variable in a way that makes collisions less likely.
+Active Support defines the macros +attr_internal_reader+, +attr_internal_writer+, and +attr_internal_accessor+. They behave like their Ruby builtin +attr_*+ counterparts, except they name the underlying instance variable in a way that makes collisions less likely.
 
-The macro +attr_internal+ is a synonim for +attr_internal_accessor+:
+The macro +attr_internal+ is a synonym for +attr_internal_accessor+:
 
 <ruby>
 # library
@@ -721,7 +721,7 @@ h4. Method Delegation
 
 The class method +delegate+ offers an easy way to forward methods.
 
-For example, if +User+ has some details like the age factored out to +Profile+, it could be handy to still be able to acces such attribute directly, <tt>user.age</tt>, instead of having to explicit the chain <tt>user.profile.age</tt>.
+For example, if +User+ has some details like the age factored out to +Profile+, it could be handy to still be able to access such attributes directly, <tt>user.age</tt>, instead of having to explicit the chain <tt>user.profile.age</tt>.
 
 That can be accomplished by hand:
 
@@ -935,7 +935,7 @@ NOTE: Defined in +active_support/core_ext/module/synchronization.rb+.
 
 h4. Reachable
 
-A named module is reachable if it is stored in its correspoding constant. It means you can reach the module object via the constant.
+A named module is reachable if it is stored in its corresponding constant. It means you can reach the module object via the constant.
 
 That is what ordinarily happens, if a module is called "M", the +M+ constant exists and holds it:
 
@@ -1016,7 +1016,7 @@ h3. Extensions to +Class+
 
 h4. Class Attributes
 
-The method +Class#class_attribute+ declares one or more inheritable class attributes that can be overriden at any level down the hierarchy:
+The method +Class#class_attribute+ declares one or more inheritable class attributes that can be overridden at any level down the hierarchy:
 
 <ruby>
 class A
@@ -1088,7 +1088,7 @@ NOTE: Defined in +active_support/core_ext/class/attribute_accessors.rb+.
 
 h4. Class Inheritable Attributes
 
-Class variables are shared down the inheritance tree. Class instance variables are not shared, but they are not inherited either. The macros +class_inheritable_reader+, +class_inheritable_writer+, and +class_inheritable_accessor+ provide accesors for class-level data which is inherited but not shared with children:
+Class variables are shared down the inheritance tree. Class instance variables are not shared, but they are not inherited either. The macros +class_inheritable_reader+, +class_inheritable_writer+, and +class_inheritable_accessor+ provide accessors for class-level data which is inherited but not shared with children:
 
 <ruby>
 module ActionController
@@ -1204,7 +1204,7 @@ s.html_safe? # => true
 s            # => "<script>...</script>"
 </ruby>
 
-It is your responsability to ensure calling +html_safe+ on a particular string is fine.
+It is your responsibility to ensure calling +html_safe+ on a particular string is fine.
 
 NOTE: For performance reasons safe strings are implemented in a way that cannot offer an in-place +html_safe!+ variant.
 
@@ -1377,7 +1377,7 @@ The method +pluralize+ returns the plural of its receiver:
 "equipment".pluralize # => "equipment"
 </ruby>
 
-As the previous example shows, Active Support knows some irregular plurals and uncountable nouns. Builtin rules can be extended in +config/initializers/inflections.rb+. That file is generated by the +rails+ command and has instructions in comments.
+As the previous example shows, Active Support knows some irregular plurals and uncountable nouns. Built-in rules can be extended in +config/initializers/inflections.rb+. That file is generated by the +rails+ command and has instructions in comments.
 
 Active Record uses this method to compute the default table name that corresponds to a model:
 
@@ -1760,7 +1760,7 @@ h3. Extensions to +Float+
 
 h4. +round+
 
-The builtin method +Float#round+ rounds a float to the nearest integer. Active Support adds an optional parameter to let you specify a precision:
+The built-in method +Float#round+ rounds a float to the nearest integer. Active Support adds an optional parameter to let you specify a precision:
 
 <ruby>
 Math::E.round(4) # => 2.7183
@@ -1925,7 +1925,7 @@ Similarly, +from+ returns the tail from the element at the passed index on:
 [].from(0)           # => []
 </ruby>
 
-The methods +second+, +third+, +fourth+, and +fifth+ return the corresponding element (+first+ is builtin). Thanks to social wisdom and positive constructiveness all around, +forty_two+ is also available.
+The methods +second+, +third+, +fourth+, and +fifth+ return the corresponding element (+first+ is built-in). Thanks to social wisdom and positive constructiveness all around, +forty_two+ is also available.
 
 NOTE: Defined in +active_support/core_ext/array/access.rb+.
 
@@ -2120,7 +2120,7 @@ NOTE: Defined in +active_support/core_ext/array/conversions.rb+.
 
 h4. Wrapping
 
-The class method +Array.wrap+ behaves like the function +Array()+ except that it does not try to call +to_a+ on its argument. That changes the behaviour for enumerables:
+The class method +Array.wrap+ behaves like the function +Array()+ except that it does not try to call +to_a+ on its argument. That changes the behavior for enumerables:
 
 <ruby>
 Array.wrap(:foo => :bar) # => [{:foo => :bar}]
@@ -2282,7 +2282,7 @@ NOTE: Defined in +active_support/core_ext/hash/conversions.rb+.
 
 h4. Merging
 
-Ruby has a builtin method +Hash#merge+ that merges two hashes:
+Ruby has a built-in method +Hash#merge+ that merges two hashes:
 
 <ruby>
 {:a => 1, :b => 1}.merge(:a => 0, :c => 2)
@@ -2511,7 +2511,7 @@ NOTE: Defined in +active_support/core_ext/hash/keys.rb+.
 
 h4. Slicing
 
-Ruby has builtin support for taking slices out of strings and arrays. Active Support extends slicing to hashes:
+Ruby has built-in support for taking slices out of strings and arrays. Active Support extends slicing to hashes:
 
 <ruby>
 {:a => 1, :b => 2, :c => 3}.slice(:a, :c)
@@ -2625,7 +2625,7 @@ Active Support extends this method so that the argument may be another range in
 (1...9).include?(3..9)  # => false
 </ruby>
 
-WARNING: The orginal +Range#include?+ is still the one aliased to +Range#===+.
+WARNING: The original +Range#include?+ is still the one aliased to +Range#===+.
 
 NOTE: Defined in +active_support/core_ext/range/include_range.rb+.
 
@@ -3080,7 +3080,7 @@ Active Support adds +missing_name?+ to +NameError+, which tests whether the exce
 
 The name may be given as a symbol or string. A symbol is tested against the bare constant name, a string is against the fully-qualified constant name.
 
-TIP: A symbol can represent a fully-qualified constant name as in +:"ActiveRecord::Base"+, so the behaviour for symbols is defined for convenience, not because it has to be that way technically.
+TIP: A symbol can represent a fully-qualified constant name as in +:"ActiveRecord::Base"+, so the behavior for symbols is defined for convenience, not because it has to be that way technically.
 
 For example, when an action of +PostsController+ is called Rails tries optimistically to use +PostsHelper+. It is OK that the helper module does not exist, so if an exception for that constant name is raised it should be silenced. But it could be the case that +posts_helper.rb+ raises a +NameError+ due to an actual unknown constant. That should be reraised. The method +missing_name?+ provides a way to distinguish both cases: