diff --git a/app/services/staff_action_logger.rb b/app/services/staff_action_logger.rb
index 38c1b90598..f9205e075e 100644
--- a/app/services/staff_action_logger.rb
+++ b/app/services/staff_action_logger.rb
@@ -46,9 +46,9 @@ class StaffActionLogger
 
     topic = deleted_post.topic || Topic.with_deleted.find_by(id: deleted_post.topic_id)
 
-    username = deleted_post.user.try(:username) || "unknown"
-    name = deleted_post.user.try(:name) || "unknown"
-    topic_title = topic.try(:title) || "not found"
+    username = deleted_post.user.try(:username) || I18n.t('staff_action_logs.unknown')
+    name = deleted_post.user.try(:name) || I18n.t('staff_action_logs.unknown')
+    topic_title = topic.try(:title) || I18n.t('staff_action_logs.not_found')
 
     details = [
       "id: #{deleted_post.id}",
@@ -530,9 +530,9 @@ class StaffActionLogger
     raise Discourse::InvalidParameters.new(:rejected_post) unless rejected_post && rejected_post.is_a?(QueuedPost)
 
     topic = rejected_post.topic || Topic.with_deleted.find_by(id: rejected_post.topic_id)
-    topic_title = topic&.title || "not found"
-    username = rejected_post.user&.username || "unknown"
-    name = rejected_post.user&.name || "unknown"
+    topic_title = topic&.title || I18n.t('staff_action_logs.not_found')
+    username = rejected_post.user&.username || I18n.t('staff_action_logs.unknown')
+    name = rejected_post.user&.name || I18n.t('staff_action_logs.unknown')
 
     details = [
       "created_at: #{rejected_post.created_at}",
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 43d12c2588..4d10b61b92 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -3881,3 +3881,7 @@ en:
       linked: '%{username} linked to your post from "%{topic}" - %{site_title}'
       confirm_title: 'Notifications enabled - %{site_title}'
       confirm_body: 'Success! Notifications have been enabled.'
+
+  staff_action_logs:
+    not_found: "not found"
+    unknown: "unknown"
diff --git a/spec/models/queued_post_spec.rb b/spec/models/queued_post_spec.rb
index 22e7331d83..5616ef41a0 100644
--- a/spec/models/queued_post_spec.rb
+++ b/spec/models/queued_post_spec.rb
@@ -86,8 +86,10 @@ describe QueuedPost do
       # It removes the pending action
       expect(UserAction.where(queued_post_id: qp.id).count).to eq(0)
 
-      # Logs staff action log for rejected post
-      expect(UserHistory.where(action: UserHistory.actions[:post_rejected]).count).to eq(1)
+      # Logs staff action for rejected post
+      post_rejected_logs = UserHistory.where(action: UserHistory.actions[:post_rejected])
+      expect(post_rejected_logs.count).to eq(1)
+      expect(post_rejected_logs.first.details).to include(qp.raw)
 
       # We can't reject twice
       expect(-> { qp.reject!(admin) }).to raise_error(QueuedPost::InvalidStateTransition)
diff --git a/spec/services/staff_action_logger_spec.rb b/spec/services/staff_action_logger_spec.rb
index bc72628558..56c8a81c36 100644
--- a/spec/services/staff_action_logger_spec.rb
+++ b/spec/services/staff_action_logger_spec.rb
@@ -504,6 +504,9 @@ describe StaffActionLogger do
 
     it 'creates a new UserHistory record' do
       expect { log_post_rejected }.to change { UserHistory.count }.by(1)
+      user_history = UserHistory.last
+      expect(user_history.action).to eq(UserHistory.actions[:post_rejected])
+      expect(user_history.details).to include(rejected_post.raw)
     end
   end
 end