diff --git a/app/soapbox/utils/features.ts b/app/soapbox/utils/features.ts
index 50c606fb4..921715c08 100644
--- a/app/soapbox/utils/features.ts
+++ b/app/soapbox/utils/features.ts
@@ -17,10 +17,10 @@ const overrides = custom('features');
 const any = (arr: Array<any>): boolean => arr.some(Boolean);
 
 /**
- * Calckey, a fork of Misskey.
- * @see {@link https://calckey.org/}
+ * Firefish, a fork of Misskey. Formerly known as Calckey.
+ * @see {@link https://joinfirefish.org/}
  */
-export const CALCKEY = 'Calckey';
+export const FIREFISH = 'Firefish';
 
 /**
  * Ditto, a Nostr server with Mastodon API.
@@ -145,7 +145,7 @@ const getInstanceFeatures = (instance: Instance) => {
      * @see GET /api/v1/accounts/lookup
      */
     accountLookup: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === MASTODON && gte(v.compatVersion, '3.4.0'),
       v.software === PLEROMA && gte(v.version, '2.4.50'),
       v.software === TAKAHE && gte(v.version, '0.6.1'),
@@ -231,7 +231,7 @@ const getInstanceFeatures = (instance: Instance) => {
      * @see GET /api/v1/bookmarks
      */
     bookmarks: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === FRIENDICA,
       v.software === MASTODON && gte(v.compatVersion, '3.1.0'),
       v.software === PLEROMA && gte(v.version, '0.9.9'),
@@ -332,7 +332,7 @@ const getInstanceFeatures = (instance: Instance) => {
      * @see {@link https://docs.joinmastodon.org/methods/conversations/}
      */
     conversations: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === FRIENDICA,
       v.software === MASTODON && gte(v.compatVersion, '2.6.0'),
       v.software === PLEROMA && gte(v.version, '0.9.9'),
@@ -371,7 +371,7 @@ const getInstanceFeatures = (instance: Instance) => {
      * @see PATCH /api/v1/accounts/update_credentials
      */
     editProfile: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === FRIENDICA,
       v.software === MASTODON,
       v.software === MITRA,
@@ -457,7 +457,7 @@ const getInstanceFeatures = (instance: Instance) => {
 
     /** Whether the accounts who favourited or emoji-reacted to a status can be viewed through the API. */
     exposableReactions: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === FRIENDICA,
       v.software === MASTODON,
       v.software === TAKAHE && gte(v.version, '0.6.1'),
@@ -637,7 +637,7 @@ const getInstanceFeatures = (instance: Instance) => {
      * @see GET /api/v1/timelines/list/:list_id
      */
     lists: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === FRIENDICA,
       v.software === MASTODON && gte(v.compatVersion, '2.1.0'),
       v.software === PLEROMA && gte(v.version, '0.9.9'),
@@ -750,7 +750,7 @@ const getInstanceFeatures = (instance: Instance) => {
      * @see POST /api/v1/statuses
      */
     polls: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === MASTODON && gte(v.version, '2.8.0'),
       v.software === PLEROMA,
       v.software === TRUTHSOCIAL,
@@ -787,7 +787,7 @@ const getInstanceFeatures = (instance: Instance) => {
      * @see GET /api/v1/timelines/public
      */
     publicTimeline: any([
-      v.software === CALCKEY,
+      v.software === FIREFISH,
       v.software === FRIENDICA,
       v.software === MASTODON,
       v.software === PLEROMA,