diff --git a/docs/features/software-catalog/catalog-customization--old.md b/docs/features/software-catalog/catalog-customization--old.md
index 42595efd7f..92e33f3234 100644
--- a/docs/features/software-catalog/catalog-customization--old.md
+++ b/docs/features/software-catalog/catalog-customization--old.md
@@ -48,7 +48,7 @@ export interface CatalogExportSettings {
    *
    * Default columns are: name, type, owner and description.
    **/
-  columns?: CatalogExportSettingsColumn;
+  columns?: CatalogExportSettingsColumn[];
   /**
    * Map of custom export format handlers.
    *