💅 AM CHANGELOG fixed-width re: rails#45463, rails#47569

Author: zzak

activemodel/CHANGELOG.md

@@ -1,10 +1,10 @@
 *   Improve typography of user facing error messages. In English contractions,
-    the Unicode APOSTROPHE (U+0027) is now RIGHT SINGLE QUOTATION MARK
-    (U+2019). For example, “can't be blank” is now “can’t be blank”.
+    the Unicode APOSTROPHE (`U+0027`) is now RIGHT SINGLE QUOTATION MARK
+    (`U+2019`). For example, "can't be blank" is now "can’t be blank".
 
     *Jon Dufresne*
 
-*   Add class to ActiveModel::MissingAttributeError error message.
+*   Add class to `ActiveModel::MissingAttributeError` error message.
 
     Show which class is missing the attribute in the error message: