diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index 96628748f6dfc..fcf9e6d752219 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -70,7 +70,7 @@ jobs:
           ### In cases where you want to specify the cache key, enable the above 2 inputs
           ### Follows the format here https://github.com/actions/cache
           #
-          # custom_opts: '--future'
+          custom_opts: '--config _config.yml,_only_latest_guides_config.yml'
           ### If you need to specify any Jekyll build options, enable the above input
           ### Flags accepted can be found here https://jekyllrb.com/docs/configuration/options/#build-command-options
       - name: Publishing to surge for preview
diff --git a/docs/src/main/asciidoc/validation.adoc b/docs/src/main/asciidoc/validation.adoc
index c1ec0a1d9915b..f87fcd4513364 100644
--- a/docs/src/main/asciidoc/validation.adoc
+++ b/docs/src/main/asciidoc/validation.adoc
@@ -406,7 +406,7 @@ If this default mechanism is not sufficient and you need a custom locale resolut
 
 === Validation groups for REST endpoint or service method validation
 
-It's sometimes necessary to enable different validation constraints
+It is sometimes necessary to enable different validation constraints
 for the same class when it's passed to a different method.
 
 For example, a `Book` may need to have a `null` identifier when passed to the `post` method