diff --git a/man2/quotactl.2 b/man2/quotactl.2
index 8302faf6a..793cd12b3 100644
--- a/man2/quotactl.2
+++ b/man2/quotactl.2
@@ -140,7 +140,8 @@ as follows:
 .in +4n
 .nf
 
-/* uint64_t is an unsigned 64-bit integer */
+/* uint64_t is an unsigned 64-bit integer;
+   uint32_t is an unsigned 32-bit integer */
 
 struct dqblk {          /* Definition since Linux 2.4.22 */
     uint64_t dqb_bhardlimit;   /* absolute limit on disk