diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md
index 74dfd2381164aa390b5ad6b085ad6022e36cbe16..0370e400125ee0eac73eb692429a033002b0ca32 100644
--- a/guides/source/active_support_core_extensions.md
+++ b/guides/source/active_support_core_extensions.md
@@ -421,7 +421,7 @@ NOTE: Defined in `active_support/core_ext/object/with_options.rb`.
 
 ### JSON support
 
-Active Support provides a better implementation of `to_json` than the +json+ gem ordinarily provides for Ruby objects. This is because some classes, like +Hash+, +OrderedHash+ and +Process::Status+ needs special handling in order to provide a proper JSON representation.
+Active Support provides a better implementation of `to_json` than the +json+ gem ordinarily provides for Ruby objects. This is because some classes, like +Hash+, +OrderedHash+, and +Process::Status+ need special handling in order to provide a proper JSON representation.
 
 NOTE: Defined in `active_support/core_ext/object/json.rb`.