docs: fix <spice><gl enable> since version

The support was added by commit 937ebba which was released in
1.3.3.

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 1336c826527be470b5bdb30c5187fd564772f70f..13337965b48c92fc2c31e8cfa5d8c8d64de035f7 100644 (file)
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -5267,7 +5267,7 @@ qemu-kvm -net nic,model=? /dev/null
               Spice may provide accelerated server-side rendering with OpenGL.
               You can enable or disable OpenGL support explicitly with
               the <code>gl</code> element, by setting the <code>enable</code>
-              property. (QEMU only, <span class="since">since 1.3.2</span>).
+              property. (QEMU only, <span class="since">since 1.3.3</span>).
             </p>
           </dd>
           <dt><code>rdp</code></dt>