diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2
index 02f2bcccc..e0b2a84ab 100644
--- a/man2/ioctl_userfaultfd.2
+++ b/man2/ioctl_userfaultfd.2
@@ -136,9 +136,9 @@ structure and return
 .BR EINVAL .
 .\" FIXME add more details about feature negotiation and enablement
 .PP
-Since Linux 4.11, the following feature bits may be set:
+The following feature bits may be set:
 .TP
-.B UFFD_FEATURE_EVENT_FORK
+.BR UFFD_FEATURE_EVENT_FORK " (since Linux 4.11)"
 When this feature is enabled,
 the userfaultfd objects associated with a parent process are duplicated
 into the child process during
@@ -147,14 +147,14 @@ and a
 .B UFFD_EVENT_FORK
 event is delivered to the userfaultfd monitor
 .TP
-.B UFFD_FEATURE_EVENT_REMAP
+.BR UFFD_FEATURE_EVENT_REMAP " (since Linux 4.11)"
 If this feature is enabled,
 when the faulting process invokes
 .BR mremap (2),
 the userfaultfd monitor will receive an event of type
 .BR UFFD_EVENT_REMAP .
 .TP
-.B UFFD_FEATURE_EVENT_REMOVE
+.BR UFFD_FEATURE_EVENT_REMOVE " (since Linux 4.11)"
 If this feature is enabled,
 when the faulting process calls
 .BR madvise (2)
@@ -166,7 +166,7 @@ advice value to free a virtual memory area
 the userfaultfd monitor will receive an event of type
 .BR UFFD_EVENT_REMOVE .
 .TP
-.B UFFD_FEATURE_EVENT_UNMAP
+.BR UFFD_FEATURE_EVENT_UNMAP " (since Linux 4.11)"
 If this feature is enabled,
 when the faulting process unmaps virtual memory either explicitly with
 .BR munmap (2),
@@ -177,12 +177,12 @@ or
 the userfaultfd monitor will receive an event of type
 .BR UFFD_EVENT_UNMAP .
 .TP
-.B UFFD_FEATURE_MISSING_HUGETLBFS
+.BR UFFD_FEATURE_MISSING_HUGETLBFS " (since Linux 4.11)"
 If this feature bit is set,
 the kernel supports registering userfaultfd ranges on hugetlbfs
 virtual memory areas
 .TP
-.B UFFD_FEATURE_MISSING_SHMEM
+.BR UFFD_FEATURE_MISSING_SHMEM " (since Linux 4.11)"
 If this feature bit is set,
 the kernel supports registering userfaultfd ranges on shared memory areas.
 This includes all kernel shared memory APIs:
@@ -197,9 +197,8 @@ flag set,
 .BR memfd_create (2),
 and so on.
 .TP
-.B UFFD_FEATURE_SIGBUS
+.BR UFFD_FEATURE_SIGBUS " (since Linux 4.14)"
 .\" commit 2d6d6f5a09a96cc1fec7ed992b825e05f64cb50e
-Since Linux 4.14.
 If this feature bit is set, no page-fault events
 .RB ( UFFD_EVENT_PAGEFAULT )
 will be delivered.