diff --git a/ChangeLog b/ChangeLog
index 3f0576093..bad10370c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Note on recipes of Assassinating Dragons.
+formulae
+Nicolas Weeger 2021-02-23
+
 Give greater dwarven guards enough wc to actually hit things
 wc 20 -> 2 (this is improvement, since negative wc is better)
 dam 12-> 22
diff --git a/formulae b/formulae
index 85631deda..773a3d824 100644
--- a/formulae
+++ b/formulae
@@ -2159,6 +2159,7 @@ skill bowyer
 cauldron workbench
 ingred 20 bolt,dragon's claw
 #
+# Those 2 recipes are given by the "dragon hunter" quest, started in Wolfsburg.
 #
 Object Assassinating Dragons
 arch bolt
@@ -2171,7 +2172,6 @@ skill bowyer
 cauldron workbench
 ingred 20 bolt,dragon's heart,water of emerald,scorpion's stinger
 #
-#
 Object Assassinating Dragons
 arch arrow
 chance 0
@@ -2183,6 +2183,7 @@ skill bowyer
 cauldron workbench
 ingred 20 arrow,dragon's heart,water of emerald,scorpion's stinger
 #
+#
 Object Assassinating Trolls
 arch bolt
 chance 0