diff --git a/man5/proc.5 b/man5/proc.5
index 69f6e15dd..416bbb5fc 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -5606,7 +5606,7 @@ first.
 .IR  /proc/sys/vm/sysctl_hugetlb_shm_group " (since Linux 2.6.7)"
 This writable file contains a group ID that is allowed
 to allocate memory using huge pages.
-If a process has a filesystem group ID or any supplememtary group ID that
+If a process has a filesystem group ID or any supplementary group ID that
 matches this group ID,
 then it can make huge-page allocations without holding the
 .BR CAP_IPC_LOCK