diff --git a/app/serializers/step_serializer.rb b/app/serializers/step_serializer.rb
index d1e9286c8..44c5d79a7 100644
--- a/app/serializers/step_serializer.rb
+++ b/app/serializers/step_serializer.rb
@@ -101,7 +101,7 @@ class StepSerializer < ActiveModel::Serializer
     urls_list
   end
 
-  def created_on
+  def created_at
     object.created_at.strftime('%B %d, %Y at %H:%M')
   end
 
diff --git a/config/locales/en.yml b/config/locales/en.yml
index cea7c2752..b695e8c4d 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -2814,7 +2814,7 @@ en:
       component_duplicated: "Step content duplicated successfully."
       step_duplication_failed: "Step could not be duplicated, try again later."
       component_duplication_failed: "Step content could not be duplicated, try again later."
-      timestamp: "Created on %{date} by %{user}"
+      timestamp: "Created at %{date} by %{user}"
       status:
         complete: "Mark as done"
         uncomplete: "Unmark as done"