diff --git a/src/data/battler-tags.ts b/src/data/battler-tags.ts
index 3be6562307b..58e3a0bcd86 100644
--- a/src/data/battler-tags.ts
+++ b/src/data/battler-tags.ts
@@ -2281,6 +2281,11 @@ export class TarShotTag extends BattlerTag {
   }
 }
 
+/**
+ * Tag implementing the {@link https://bulbapedia.bulbagarden.net/wiki/Substitute_(doll)#Effect | Substitute Doll} effect,
+ * for use with the moves Substitute and Shed Tail. Pokemon with this tag deflect most forms of received attack damage
+ * onto the tag. This tag also grants immunity to most Status moves and several move effects.
+ */
 export class SubstituteTag extends BattlerTag {
   /** The substitute's remaining HP. If HP is depleted, the Substitute fades. */
   public hp: number;
@@ -2300,7 +2305,11 @@ export class SubstituteTag extends BattlerTag {
 
     // Queue battle animation and message
     pokemon.scene.triggerPokemonBattleAnim(pokemon, PokemonAnimType.SUBSTITUTE_ADD);
-    pokemon.scene.queueMessage(i18next.t("battlerTags:substituteOnAdd", { pokemonNameWithAffix: getPokemonNameWithAffix(pokemon) }), 1500);
+    if (this.sourceMove === Moves.SHED_TAIL) {
+      pokemon.scene.queueMessage(i18next.t("battlerTags:shedTailOnAdd", { pokemonNameWithAffix: getPokemonNameWithAffix(pokemon) }), 1500);
+    } else {
+      pokemon.scene.queueMessage(i18next.t("battlerTags:substituteOnAdd", { pokemonNameWithAffix: getPokemonNameWithAffix(pokemon) }), 1500);
+    }
 
     // Remove any binding effects from the user
     pokemon.findAndRemoveTags(tag => tag instanceof DamagingTrapTag);
diff --git a/src/locales/en/battler-tags.json b/src/locales/en/battler-tags.json
index b31826b0244..7c5193eb7ae 100644
--- a/src/locales/en/battler-tags.json
+++ b/src/locales/en/battler-tags.json
@@ -71,6 +71,7 @@
   "disabledOnAdd": "{{pokemonNameWithAffix}}'s {{moveName}}\nwas disabled!",
   "disabledLapse": "{{pokemonNameWithAffix}}'s {{moveName}}\nis no longer disabled.",
   "tarShotOnAdd": "{{pokemonNameWithAffix}} became weaker to fire!",
+  "shedTailOnAdd": "{{pokemonNameWithAffix}} shed its tail to create a decoy!",
   "substituteOnAdd": "{{pokemonNameWithAffix}} put in a substitute!",
   "substituteOnHit": "The substitute took damage for {{pokemonNameWithAffix}}!",
   "substituteOnRemove": "{{pokemonNameWithAffix}}'s substitute faded!"