diff --git a/core/hdd/src/wlan_hdd_debugfs.c b/core/hdd/src/wlan_hdd_debugfs.c
index 9c862b5..89aac4e 100644
--- a/core/hdd/src/wlan_hdd_debugfs.c
+++ b/core/hdd/src/wlan_hdd_debugfs.c
@@ -502,6 +502,7 @@
 	return count;
 
 failure:
+	hdd_err("Invalid input. Input format is: ptrn_idx duration pattern");
 	qdf_mem_free(cmd);
 	return -EINVAL;
 }