diff -r 2322a1c3c9bb -r a8fad275310b www/HACKING.rst
--- a/www/HACKING.rst	Sat Jul 07 23:04:49 2018 +0300
+++ b/www/HACKING.rst	Sun Jul 08 16:17:39 2018 +0300
@@ -459,6 +459,29 @@
 http://www.newgeneralservicelist.org/toeic-list/
   The TOEIC Service List home page.
 
+KET wordlist
+------------
+
+The KET Vocabulary List gives teachers a guide to the vocabulary needed when
+preparing students for the KET and KET for Schools examinations.
+
+The list covers vocabulary appropriate to the A2 level on the CEFR.
+
+http://www.cambridgeenglish.org/images/22105-ket-vocabulary-list.pdf
+  Key English Test (KET) Vocabulary List © UCLES 2012.
+
+PET wordlist
+------------
+
+Preliminary and Preliminary for Schools Vocabulary List gives teachers a guide
+to the vocabulary needed when preparing students for the Preliminary and
+Preliminary for Schools exam inations.
+
+The list covers vocabulary appropriate to the B1 level on the CEFR.
+
+http://www.cambridgeenglish.org/images/84669-pet-vocabulary-list.pdf
+  Preliminary (PET) Wordlist © UCLES 2012.
+
 BNC+COCA wordlist
 -----------------