[PATCH v2] KVM: Documentation: Fix title underline too short warning

[Chang Yu]

Fix "WARNING: Title underline too short" by extending title line to the
proper length.

Signed-off-by: Chang Yu <marcus.yu.56@xxxxxxxxx>
---
Changes in v2:
 - Fix the format of the subject and the commit message.


 Documentation/virt/kvm/api.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index fe722c5dada9..a510ce749c3c 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -6368,7 +6368,7 @@ a single guest_memfd file, but the bound ranges must not overlap).
 See KVM_SET_USER_MEMORY_REGION2 for additional details.
 
 4.143 KVM_PRE_FAULT_MEMORY
-------------------------
+---------------------------
 
 :Capability: KVM_CAP_PRE_FAULT_MEMORY
 :Architectures: none
-- 
2.45.2