Update security doc

Author: teon

src/pages/security.astro

@@ -46,7 +46,7 @@ const tags = [
       description="Building a secure software is a mindset. Features, great UI, and easy deployment are often things that draw users to the software, but when building software in the cybersecurity space, the approach to security should be what tips the scales of choice. Here is ours."
     />
 
-    <FlexibleSection leftRatio={1} title="Software Architecture Matters" theme="light">
+    <FlexibleSection leftRatio={1} title="Secure by design - software architecture matters" theme="light">
       <div slot="left">
         <ul>
           <li>
@@ -168,7 +168,7 @@ const tags = [
             > and <a href="https://github.com/orgs/DefGuard/projects/5">roadmap</a> are openly
             managed and shared.
           </li>
-          <li>No hardware lock-in — install on whatever hardware you like.</li>
+          <li>No vendor lock-in — install on <b>whatever hardware and operating system</b> you like. This gives you huge advantage not only for ease of deployment and maintanance - but gives you <b>full inspectability</b> of the whole stack!</li>
         </ul>
       </div>
     </FlexibleSection>