diff --git a/modules/background_task/job.nu b/modules/background_task/job.nu
index 065f9ecb..8e073bc8 100644
--- a/modules/background_task/job.nu
+++ b/modules/background_task/job.nu
@@ -6,7 +6,7 @@
 # e.g:
 # spawn { echo 3 }
 export def spawn [
-    command: block   # the command to spawn
+    command: closure   # the command to spawn
 ] {
     let config_path = $nu.config-path
     let env_path = $nu.env-path