diff --git a/man2/sigaction.2 b/man2/sigaction.2
index 682678c6d..adfacd6ca 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -451,7 +451,7 @@ delivering the trap.
 In the case of
 .BR seccomp (2),
 the tracee will be shown as delivering the event.
-.B BUS_MCERR_*
+.B BUS_MCEERR_*
 and
 .I si_addr_lsb
 are Linux-specific extensions.
@@ -470,7 +470,7 @@ The
 .I si_fd
 field indicates the file descriptor for which the I/O event occurred.
 .IP *
-.BR SIGSYS,
+.BR SIGSYS ,
 generated (since Linux 3.5)
 .\" commit a0727e8ce513fe6890416da960181ceb10fbfae6
 when a seccomp filter returns