Update xml/vm_security.xml

Co-authored-by: Daria Vladykina <[email protected]>

xml/vm_security.xml

@@ -109,7 +109,7 @@ The confidential compute module provides replacement packages supporting AMD SEV
 </procedure>
 </sect1>
 <sect1 xml:id="vm-launch-amd-sv-snp-vm">
-<title>Launching an AMD SEV-SNP Virtual Machine</title>
+<title>Launching an AMD SEV-SNP virtual machine</title>
 <para>
 You can run AMD SEV-SNP protected virtual machines using the &libvirt; framework once the confidential computing kernel is booted and the AMD Security Processor is initialized.</para>
 <para>&libvirt; has several ways of setting up new virtual machines, this document uses a prepared disk image and the virt-manager graphical user interface.</para>