Fix a typo

Author: byroot

actionpack/CHANGELOG.md

@@ -1,7 +1,7 @@
 *   Add `config.action_dispatch.strict_freshness`.
 
     When set to `true`, the `ETag` header takes precedence over the `Last-Modified` header when both are present,
-    as specificied by RFC 7232, Section 6.
+    as specified by RFC 7232, Section 6.
 
     Defaults to `false` to maintain compatibility with previous versions of Rails, but is enabled as part of
     Rails 8.0 defaults.