docs(analytics): actually USING Matomo to track page views/changes (#32607)

docs/src/components/SectionHeader.tsx

@@ -115,7 +115,7 @@ const SectionHeader = ({
     <StyledRoot dark={!!dark}>
       <Heading className="title">{title}</Heading>
       <img className="line" src="/img/community/line.png" alt="line" />
-      {subtitle && <p className="subtitle">{subtitle}</p>}
+      {subtitle && <div className="subtitle">{subtitle}</div>}
     </StyledRoot>
   );
 };