KVM: Documentation: Update entry for KVM_CAP_ENFORCE_PV_CPUID

Should be squashed into 66570e966d.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20201023183358.50607-3-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Documentation/virt/kvm/api.rst

@@ -6381,8 +6381,7 @@ In combination with KVM_CAP_X86_USER_SPACE_MSR, this allows user space to
 trap and emulate MSRs that are outside of the scope of KVM as well as
 limit the attack surface on KVM's MSR emulation code.
 
-
-8.26 KVM_CAP_ENFORCE_PV_CPUID
+8.28 KVM_CAP_ENFORCE_PV_CPUID
 -----------------------------
 
 Architectures: x86