--- a/www/HACKING.rst	Sun Apr 07 23:58:19 2019 +0300
+++ b/www/HACKING.rst	Sun Apr 07 23:58:40 2019 +0300
@@ -500,6 +500,12 @@
 http://www.laurenceanthony.net/software/antwordprofiler/
   Laurence Anthony's AntWordProfiler home page.
 
+Oxford 3000/5000
+----------------
+
+https://www.oxfordlearnersdictionaries.com/wordlists/
+  Based on extensive corpora and aligned to the CEFR.
+
 Miscellaneous wordlists
 -----------------------