diff --git a/security/commoncap.c b/security/commoncap.c
index 7abebd782d5e02d0c024ca0b2b1b189b1f4f83d1..123426900d25b185b9b41c458b8e04b85b5fe7b5 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -300,10 +300,10 @@ static inline void bprm_clear_caps(struct linux_binprm *bprm)
  *
  * Determine if an inode having a change applied that's marked ATTR_KILL_PRIV
  * affects the security markings on that inode, and if it is, should
- * inode_killpriv() be invoked or the change rejected?
+ * inode_killpriv() be invoked or the change rejected.
  *
- * Returns 0 if granted; +ve if granted, but inode_killpriv() is required; and
- * -ve to deny the change.
+ * Returns 1 if security.capability has a value, meaning inode_killpriv()
+ * is required, 0 otherwise, meaning inode_killpriv() is not required.
  */
 int cap_inode_need_killpriv(struct dentry *dentry)
 {