diff --git a/docs/source/_static/treepram-bg.png b/docs/source/_static/treepram-red-bg.png
similarity index 69%
rename from docs/source/_static/treepram-bg.png
rename to docs/source/_static/treepram-red-bg.png
index 0cfa4ac..c265447 100644
--- a/docs/source/_static/treepram-bg.png
+++ b/docs/source/_static/treepram-red-bg.png
Binary files differ
diff --git a/docs/source/_static/treepram-red.png b/docs/source/_static/treepram-red.png
new file mode 100644
index 0000000..903da4b
--- /dev/null
+++ b/docs/source/_static/treepram-red.png
Binary files differ
diff --git a/docs/source/_static/treepram.svg b/docs/source/_static/treepram-red.svg
similarity index 97%
rename from docs/source/_static/treepram.svg
rename to docs/source/_static/treepram-red.svg
index af7f83f..b8da08e 100644
--- a/docs/source/_static/treepram.svg
+++ b/docs/source/_static/treepram-red.svg
@@ -8,8 +8,8 @@
    version="1.1"
    id="svg5"
    inkscape:version="1.1.1 (3bf5ae0d25, 2021-09-20)"
-   sodipodi:docname="treepram.svg"
-   inkscape:export-filename="/home/htamas/docs/treepram.png"
+   sodipodi:docname="treepram-red.svg"
+   inkscape:export-filename="/home/htamas/docs/treepram-red.png"
    inkscape:export-xdpi="95"
    inkscape:export-ydpi="95"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
@@ -26,9 +26,9 @@
      inkscape:pagecheckerboard="0"
      inkscape:document-units="mm"
      showgrid="false"
-     inkscape:zoom="0.88475476"
-     inkscape:cx="756.14174"
-     inkscape:cy="461.14474"
+     inkscape:zoom="0.44237738"
+     inkscape:cx="718.84326"
+     inkscape:cy="427.23703"
      inkscape:window-width="1920"
      inkscape:window-height="1215"
      inkscape:window-x="0"
@@ -944,5 +944,27 @@
        d="M 216,221 H 332"
        id="path2494"
        sodipodi:nodetypes="cc" />
+    <g
+       id="g3998"
+       transform="translate(-0.18605042,0.52916663)">
+      <rect
+         style="fill:#ffd5d5;fill-opacity:0.88;stroke:none;stroke-width:0.499999;stroke-linecap:round;stroke-dasharray:3, 3"
+         id="rect1013"
+         width="223.95901"
+         height="41.455772"
+         x="90.269043"
+         y="184.75349" />
+      <text
+         xml:space="preserve"
+         style="font-style:normal;font-weight:normal;font-size:25.4px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#800000;fill-opacity:1;stroke:none;stroke-width:0.264583"
+         x="108.63566"
+         y="214.88235"
+         id="text1765"><tspan
+           sodipodi:role="line"
+           id="tspan1763"
+           style="font-size:25.4px;fill:#800000;fill-opacity:1;stroke-width:0.264583"
+           x="108.63566"
+           y="214.88235">Reduced version</tspan></text>
+    </g>
   </g>
 </svg>
diff --git a/docs/source/_static/treepram.png b/docs/source/_static/treepram.png
deleted file mode 100644
index 7231160..0000000
--- a/docs/source/_static/treepram.png
+++ /dev/null
Binary files differ