diff --git a/readme.md b/readme.md
index 718c2c1..127de1b 100644
--- a/readme.md
+++ b/readme.md
@@ -24,4 +24,14 @@ No javascript.
 | download               | save and download as .md file  | alt-d  |
 | delete                 | delete (rename as .del)        | alt-d  |
 
-todo: url params
+## URL parameters
+
+index.php
+* reindex
+* download
+* filter
+
+note.php
+* new
+* title
+* preview