diff --git a/man2/sigaction.2 b/man2/sigaction.2
index bff91c57d..f4662b318 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -470,11 +470,11 @@ The
 .I si_fd
 field indicates the file descriptor for which the I/O event occurred.
 .IP *
-.B SIGSYS
-(since Linux 3.5)
+.BR SIGSYS,
+generated (since Linux 3.5)
 .\" commit a0727e8ce513fe6890416da960181ceb10fbfae6
-generated when a seccomp filter returns
-.B SECCOMP_RET_TRAP
+when a seccomp filter returns
+.BR SECCOMP_RET_TRAP ,
 fills in
 .IR si_call_addr ,
 .IR si_syscall ,