Documentation: kvm: fix a typo

Fixes: e287d6de ("Documentation: kvm: Convert cpuid.txt to .rst")
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20201001095333.7611-1-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Documentation/virt/kvm/cpuid.rst

@@ -62,7 +62,7 @@ KVM_FEATURE_PV_EOI                6           paravirtualized end of interrupt
                                               handler can be enabled by
                                               writing to msr 0x4b564d04
 
-KVM_FEATURE_PV_UNHAULT            7           guest checks this feature bit
+KVM_FEATURE_PV_UNHALT             7           guest checks this feature bit
                                               before enabling paravirtualized
                                               spinlock support