diff --git a/man2/seccomp.2 b/man2/seccomp.2
index e18135b04..9ff33f05c 100644
--- a/man2/seccomp.2
+++ b/man2/seccomp.2
@@ -601,7 +601,10 @@ was not a valid address.
 .TP
 .BR EINVAL
 .IR operation
-is unknown; or
+is unknown or is not supported by this kernel version or configuration.
+.TP
+.B EINVAL
+The specified
 .IR flags
 are invalid for the given
 .IR operation .
@@ -620,15 +623,6 @@ A secure computing mode has already been set, and
 differs from the existing setting.
 .TP
 .BR EINVAL
-.\" See stub kernel/seccomp.c::seccomp_set_mode_filter() in 3.18 sources
-.I operation
-specified
-.BR SECCOMP_SET_MODE_FILTER ,
-but the kernel was not built with
-.B CONFIG_SECCOMP_FILTER
-enabled.
-.TP
-.BR EINVAL
 .I operation
 specified
 .BR SECCOMP_SET_MODE_FILTER ,