diff --git a/README.org b/README.org
index 5d36cbe..63e1854 100644
--- a/README.org
+++ b/README.org
@@ -45,3 +45,43 @@ phase 2:
                                       ->    ...
                                       ->    keyword-n.html
 #+end_src
+
+Organization of transformers:
+
+#+begin_src
+operators/
+  map/
+    html/
+      gemini.sh
+      html.sh
+      md.sh
+      org.sh
+      txt.sh
+    css/
+      sass.sh
+      less.sh
+      css.sh
+    webp/
+      jpg.sh
+      jpeg.sh
+      gif.sh
+      png.sh
+  cache/
+    map/
+      rss.json/
+        gemini.sh
+        html.sh
+        md.sh
+        org.sh
+        txt.sh
+      sitemap.json/
+        gemini.sh
+        html.sh
+        md.sh
+        org.sh
+        txt.sh
+    reduce/
+      rss.xml/rss.json.sh
+      sitemap.xml/sitemap.json.sh
+      sitemap.html/sitemap.json.sh
+#+end_src