diff --git a/ChangeLog b/ChangeLog
index de97f3215..047e4fb78 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,12 @@ on the ground (which is fixed properly in a763845fa3).
 spell/MagicMissile/magic_miss.arc
 Rebecca Kelly 2023-04-10
 
+Change display name of Mastif and Shadow Mastiff from "Mastif". Arch name is
+left alone.
+./monster/animal/Dog/mastif.arc
+./monster/elemental/Shadow/s_mastif.arc
+Rebecca Kelly 2023-04-07
+
 New flesh item: demon horn.
 Set up to drop from demons. Could be repurposed to drop from dragons if needed too.
 flesh/demon/demonhorn.base.111.png
diff --git a/monster/animal/Dog/mastif.arc b/monster/animal/Dog/mastif.arc
index a60c9d725..4c0d9492b 100644
--- a/monster/animal/Dog/mastif.arc
+++ b/monster/animal/Dog/mastif.arc
@@ -1,5 +1,5 @@
 Object mastif
-name mastif
+name mastiff
 face mastif.131
 race animal
 animation mastif
diff --git a/monster/elemental/Shadow/s_mastif.arc b/monster/elemental/Shadow/s_mastif.arc
index 4ce0dd4da..fd8391013 100644
--- a/monster/elemental/Shadow/s_mastif.arc
+++ b/monster/elemental/Shadow/s_mastif.arc
@@ -1,5 +1,5 @@
 Object s_mastif
-name shadow mastif
+name shadow mastiff
 face s_mastif.131
 race shadow
 animation s_mastif