diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md
index f39fae060e3728448e51bc2c2c51a3e6dbe5ec9c..421916d448e09389ac73c1ddcebdb7e38cc35af7 100644
--- a/guides/source/active_support_core_extensions.md
+++ b/guides/source/active_support_core_extensions.md
@@ -421,9 +421,9 @@ NOTE: Defined in `active_support/core_ext/object/with_options.rb`.
 
 ### JSON support
 
-Active Support provides a better implemention of `to_json` than the +json+ gem ordinarily provides for Ruby objects. This is because some classes, like +Hash+ and +OrderedHash+ needs special handling in order to provide a proper JSON representation.
+Active Support provides a better implemention of `to_json` than the `json` gem ordinarily provides for Ruby objects. This is because some classes, like `Hash` and `OrderedHash` needs special handling in order to provide a proper JSON representation.
 
-Active Support also provides an implementation of `as_json` for the <tt>Process::Status</tt> class.
+Active Support also provides an implementation of `as_json` for the `Process::Status` class.
 
 NOTE: Defined in `active_support/core_ext/object/to_json.rb`.