Fix typo

Author: rastating

lib/wpxf/wordpress/file_download.rb

@@ -76,7 +76,7 @@ def run
     if export_path.nil?
       emit_success "Result: \n#{res.body}"
     else
-      emit_success "Downlaoded file to #{export_path}"
+      emit_success "Downloaded file to #{export_path}"
     end
 
     true