diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index e32471977d0a..edc070c6e19b 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -8098,13 +8098,15 @@ KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS By default, KVM emulates MONITOR/MWAIT (if
                                     KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT is
                                     disabled.
 
-KVM_X86_QUIRK_SLOT_ZAP_ALL          By default, KVM invalidates all SPTEs in
-                                    fast way for memslot deletion when VM type
-                                    is KVM_X86_DEFAULT_VM.
-                                    When this quirk is disabled or when VM type
-                                    is other than KVM_X86_DEFAULT_VM, KVM zaps
-                                    only leaf SPTEs that are within the range of
-                                    the memslot being deleted.
+KVM_X86_QUIRK_SLOT_ZAP_ALL          By default, for KVM_X86_DEFAULT_VM VMs, KVM
+                                    invalidates all SPTEs in all memslots and
+                                    address spaces when a memslot is deleted or
+                                    moved.  When this quirk is disabled (or the
+                                    VM type isn't KVM_X86_DEFAULT_VM), KVM only
+                                    ensures the backing memory of the deleted
+                                    or moved memslot isn't reachable, i.e KVM
+                                    _may_ invalidate only SPTEs related to the
+                                    memslot.
 =================================== ============================================
 
 7.32 KVM_CAP_MAX_VCPU_ID