diff --git a/kernel/acct.c b/kernel/acct.c
index 4c613de..126ca43 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -521,6 +521,7 @@
 
 /**
  * acct_init_pacct - initialize a new pacct_struct
+ * @pacct: per-process accounting info struct to initialize
  */
 void acct_init_pacct(struct pacct_struct *pacct)
 {