diff --git a/app/controllers/admin/rules_controller.rb b/app/controllers/admin/rules_controller.rb
index d31aec6ea..b8def22ba 100644
--- a/app/controllers/admin/rules_controller.rb
+++ b/app/controllers/admin/rules_controller.rb
@@ -53,7 +53,7 @@ module Admin
     end
 
     def resource_params
-      params.require(:rule).permit(:text, :priority)
+      params.require(:rule).permit(:text, :hint, :priority)
     end
   end
 end
diff --git a/app/javascript/mastodon/features/about/index.jsx b/app/javascript/mastodon/features/about/index.jsx
index 3287631ed..5197d338c 100644
--- a/app/javascript/mastodon/features/about/index.jsx
+++ b/app/javascript/mastodon/features/about/index.jsx
@@ -170,7 +170,8 @@ class About extends PureComponent {
               <ol className='rules-list'>
                 {server.get('rules').map(rule => (
                   <li key={rule.get('id')}>
-                    <span className='rules-list__text'>{rule.get('text')}</span>
+                    <div className='rules-list__text'>{rule.get('text')}</div>
+                    {rule.get('hint').length > 0 && (<div className='rules-list__hint'>{rule.get('hint')}</div>)}
                   </li>
                 ))}
               </ol>
diff --git a/app/javascript/styles/mastodon/about.scss b/app/javascript/styles/mastodon/about.scss
index 0f02563b4..9d23ef41a 100644
--- a/app/javascript/styles/mastodon/about.scss
+++ b/app/javascript/styles/mastodon/about.scss
@@ -53,4 +53,10 @@ $fluid-breakpoint: $maximum-width + 20px;
       border-bottom: 0;
     }
   }
+
+  &__hint {
+    font-size: 14px;
+    font-weight: 400;
+    color: $darker-text-color;
+  }
 }
diff --git a/app/models/rule.rb b/app/models/rule.rb
index 602e5d587..f28dc2ffe 100644
--- a/app/models/rule.rb
+++ b/app/models/rule.rb
@@ -10,6 +10,7 @@
 #  text       :text             default(""), not null
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
+#  hint       :text             default(""), not null
 #
 class Rule < ApplicationRecord
   include Discard::Model
diff --git a/app/serializers/rest/rule_serializer.rb b/app/serializers/rest/rule_serializer.rb
index fc925925a..9e2bcda15 100644
--- a/app/serializers/rest/rule_serializer.rb
+++ b/app/serializers/rest/rule_serializer.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class REST::RuleSerializer < ActiveModel::Serializer
-  attributes :id, :text
+  attributes :id, :text, :hint
 
   def id
     object.id.to_s
diff --git a/app/views/admin/rules/edit.html.haml b/app/views/admin/rules/edit.html.haml
index ba7e6451a..77815588d 100644
--- a/app/views/admin/rules/edit.html.haml
+++ b/app/views/admin/rules/edit.html.haml
@@ -7,5 +7,8 @@
   .fields-group
     = f.input :text, wrapper: :with_block_label
 
+  .fields-group
+    = f.input :hint, wrapper: :with_block_label
+
   .actions
     = f.button :button, t('generic.save_changes'), type: :submit
diff --git a/app/views/admin/rules/index.html.haml b/app/views/admin/rules/index.html.haml
index aa6a4c1b6..dd15ce03c 100644
--- a/app/views/admin/rules/index.html.haml
+++ b/app/views/admin/rules/index.html.haml
@@ -12,6 +12,9 @@
     .fields-group
       = f.input :text, wrapper: :with_block_label
 
+    .fields-group
+      = f.input :hint, wrapper: :with_block_label
+
     .actions
       = f.button :button, t('admin.rules.add_new'), type: :submit
 
diff --git a/app/views/auth/registrations/rules.html.haml b/app/views/auth/registrations/rules.html.haml
index 234f4a601..3a05ed54f 100644
--- a/app/views/auth/registrations/rules.html.haml
+++ b/app/views/auth/registrations/rules.html.haml
@@ -20,6 +20,7 @@
     - @rules.each do |rule|
       %li
         .rules-list__text= rule.text
+        .rules-list__hint= rule.hint
 
   .stacked-actions
     - accept_path = @invite_code.present? ? public_invite_url(invite_code: @invite_code, accept: @accept_token) : new_user_registration_path(accept: @accept_token)
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 7ece81290..4ba6e88f4 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -116,6 +116,7 @@ en:
           sign_up_requires_approval: New sign-ups will require your approval
         severity: Choose what will happen with requests from this IP
       rule:
+        hint: Optional. Provide more details about the rule
         text: Describe a rule or requirement for users on this server. Try to keep it short and simple
       sessions:
         otp: 'Enter the two-factor code generated by your phone app or use one of your recovery codes:'
@@ -299,6 +300,7 @@ en:
           patch: Notify on bugfix updates
         trending_tag: New trend requires review
       rule:
+        hint: Additional information
         text: Rule
       settings:
         indexable: Include profile page in search engines
diff --git a/db/migrate/20240310123453_add_hint_to_rules.rb b/db/migrate/20240310123453_add_hint_to_rules.rb
new file mode 100644
index 000000000..06822ad96
--- /dev/null
+++ b/db/migrate/20240310123453_add_hint_to_rules.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddHintToRules < ActiveRecord::Migration[7.1]
+  def change
+    add_column :rules, :hint, :text, null: false, default: ''
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 97917d045..b98253a6c 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_03_04_090449) do
+ActiveRecord::Schema[7.1].define(version: 2024_03_10_123453) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -915,6 +915,7 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_04_090449) do
     t.text "text", default: "", null: false
     t.datetime "created_at", precision: nil, null: false
     t.datetime "updated_at", precision: nil, null: false
+    t.text "hint", default: "", null: false
   end
 
   create_table "scheduled_statuses", force: :cascade do |t|