diff --git a/lib/shared/dm-ops/add-members-spec.js b/lib/shared/dm-ops/add-members-spec.js
--- a/lib/shared/dm-ops/add-members-spec.js
+++ b/lib/shared/dm-ops/add-members-spec.js
@@ -11,7 +11,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMAddMembersOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import {
@@ -80,7 +80,7 @@
         unread: true,
       },
     );
-    const repliesCountUpdate = createUpdateUnreadCountUpdate(newThread, [
+    const repliesCountUpdate = createRepliesCountUpdate(newThread, [
       addMembersMessage,
     ]);
     if (
@@ -129,10 +129,9 @@
       members: [...currentThreadInfo.members, ...newMembers],
     };
     resultThreadInfo = newThreadInfo;
-    const updateWithRepliesCount = createUpdateUnreadCountUpdate(
-      newThreadInfo,
-      [addMembersMessage],
-    );
+    const updateWithRepliesCount = createRepliesCountUpdate(newThreadInfo, [
+      addMembersMessage,
+    ]);
     updateInfos.push(
       updateWithRepliesCount ?? {
         type: updateTypes.UPDATE_THREAD,
diff --git a/lib/shared/dm-ops/change-thread-settings-spec.js b/lib/shared/dm-ops/change-thread-settings-spec.js
--- a/lib/shared/dm-ops/change-thread-settings-spec.js
+++ b/lib/shared/dm-ops/change-thread-settings-spec.js
@@ -11,7 +11,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMChangeThreadSettingsOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import type { RawMessageInfo } from '../../types/message-types.js';
@@ -125,7 +125,7 @@
         });
       }
 
-      const repliesCountUpdate = createUpdateUnreadCountUpdate(
+      const repliesCountUpdate = createRepliesCountUpdate(
         threadInfoToUpdate,
         rawMessageInfos,
       );
diff --git a/lib/shared/dm-ops/dm-op-utils.js b/lib/shared/dm-ops/dm-op-utils.js
--- a/lib/shared/dm-ops/dm-op-utils.js
+++ b/lib/shared/dm-ops/dm-op-utils.js
@@ -74,7 +74,7 @@
   );
 }
 
-function createUpdateUnreadCountUpdate(
+function createRepliesCountUpdate(
   threadInfo: RawThreadInfo | LegacyRawThreadInfo,
   newMessages: $ReadOnlyArray<RawMessageInfo>,
 ): ?ClientUpdateInfo {
@@ -105,4 +105,4 @@
   };
 }
 
-export { createMessagesToPeersFromDMOp, createUpdateUnreadCountUpdate };
+export { createMessagesToPeersFromDMOp, createRepliesCountUpdate };
diff --git a/lib/shared/dm-ops/join-thread-spec.js b/lib/shared/dm-ops/join-thread-spec.js
--- a/lib/shared/dm-ops/join-thread-spec.js
+++ b/lib/shared/dm-ops/join-thread-spec.js
@@ -11,7 +11,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMJoinThreadOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import {
@@ -88,7 +88,7 @@
           unread: true,
         },
       );
-      const repliesCountUpdate = createUpdateUnreadCountUpdate(newThreadInfo, [
+      const repliesCountUpdate = createRepliesCountUpdate(newThreadInfo, [
         joinThreadMessage,
       ]);
       if (repliesCountUpdate) {
@@ -119,7 +119,7 @@
         ...currentThreadInfo,
         members: [...currentThreadInfo.members, member],
       };
-      const updateWithRepliesCount = createUpdateUnreadCountUpdate(
+      const updateWithRepliesCount = createRepliesCountUpdate(
         updatedThreadInfo,
         [joinThreadMessage],
       );
diff --git a/lib/shared/dm-ops/leave-thread-spec.js b/lib/shared/dm-ops/leave-thread-spec.js
--- a/lib/shared/dm-ops/leave-thread-spec.js
+++ b/lib/shared/dm-ops/leave-thread-spec.js
@@ -7,7 +7,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMLeaveThreadOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import { threadTypes } from '../../types/thread-types-enum.js';
@@ -53,7 +53,7 @@
         ...threadInfo,
         members: threadInfo.members.filter(member => member.id !== editorID),
       };
-      const updateWithRepliesCount = createUpdateUnreadCountUpdate(
+      const updateWithRepliesCount = createRepliesCountUpdate(
         updatedThreadInfo,
         [leaveThreadMessage],
       );
diff --git a/lib/shared/dm-ops/remove-members-spec.js b/lib/shared/dm-ops/remove-members-spec.js
--- a/lib/shared/dm-ops/remove-members-spec.js
+++ b/lib/shared/dm-ops/remove-members-spec.js
@@ -7,7 +7,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMRemoveMembersOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import { threadTypes } from '../../types/thread-types-enum.js';
@@ -58,7 +58,7 @@
             member => !removedUserIDsSet.has(member.id),
           ),
         };
-        const updateWithRepliesCount = createUpdateUnreadCountUpdate(
+        const updateWithRepliesCount = createRepliesCountUpdate(
           updatedThreadInfo,
           [removeMembersMessage],
         );
diff --git a/lib/shared/dm-ops/send-edit-message-spec.js b/lib/shared/dm-ops/send-edit-message-spec.js
--- a/lib/shared/dm-ops/send-edit-message-spec.js
+++ b/lib/shared/dm-ops/send-edit-message-spec.js
@@ -6,7 +6,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMSendEditMessageOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import { updateTypes } from '../../types/update-types-enum.js';
@@ -42,7 +42,7 @@
         });
       }
       const threadInfo = utilities.threadInfos[threadID];
-      const repliesCountUpdate = createUpdateUnreadCountUpdate(threadInfo, [
+      const repliesCountUpdate = createRepliesCountUpdate(threadInfo, [
         editMessage,
       ]);
       if (repliesCountUpdate) {
diff --git a/lib/shared/dm-ops/send-reaction-message-spec.js b/lib/shared/dm-ops/send-reaction-message-spec.js
--- a/lib/shared/dm-ops/send-reaction-message-spec.js
+++ b/lib/shared/dm-ops/send-reaction-message-spec.js
@@ -6,7 +6,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMSendReactionMessageOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import { updateTypes } from '../../types/update-types-enum.js';
@@ -50,7 +50,7 @@
         });
       }
       const threadInfo = utilities.threadInfos[threadID];
-      const repliesCountUpdate = createUpdateUnreadCountUpdate(threadInfo, [
+      const repliesCountUpdate = createRepliesCountUpdate(threadInfo, [
         reactionMessage,
       ]);
       if (repliesCountUpdate) {
diff --git a/lib/shared/dm-ops/send-text-message-spec.js b/lib/shared/dm-ops/send-text-message-spec.js
--- a/lib/shared/dm-ops/send-text-message-spec.js
+++ b/lib/shared/dm-ops/send-text-message-spec.js
@@ -6,7 +6,7 @@
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
-import { createUpdateUnreadCountUpdate } from './dm-op-utils.js';
+import { createRepliesCountUpdate } from './dm-op-utils.js';
 import type { DMSendTextMessageOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import { updateTypes } from '../../types/update-types-enum.js';
@@ -39,7 +39,7 @@
         });
       }
       const threadInfo = utilities.threadInfos[threadID];
-      const repliesCountUpdate = createUpdateUnreadCountUpdate(threadInfo, [
+      const repliesCountUpdate = createRepliesCountUpdate(threadInfo, [
         textMessage,
       ]);
       if (repliesCountUpdate) {