diff --git a/src/mfm/fromHtml.ts b/src/mfm/from-html.ts
similarity index 100%
rename from src/mfm/fromHtml.ts
rename to src/mfm/from-html.ts
diff --git a/src/mfm/toHtml.ts b/src/mfm/to-html.ts
similarity index 100%
rename from src/mfm/toHtml.ts
rename to src/mfm/to-html.ts
diff --git a/src/mfm/toString.ts b/src/mfm/to-string.ts
similarity index 100%
rename from src/mfm/toString.ts
rename to src/mfm/to-string.ts
diff --git a/src/models/repositories/note.ts b/src/models/repositories/note.ts
index d29a48b7e..3c5500f49 100644
--- a/src/models/repositories/note.ts
+++ b/src/models/repositories/note.ts
@@ -6,7 +6,7 @@ import { ensure } from '../../prelude/ensure';
 import { SchemaType } from '../../misc/schema';
 import { awaitAll } from '../../prelude/await-all';
 import { convertLegacyReaction, convertLegacyReactions, decodeReaction } from '../../misc/reaction-lib';
-import { toString } from '../../mfm/toString';
+import { toString } from '../../mfm/to-string';
 import { parse } from '../../mfm/parse';
 import { Emoji } from '../entities/emoji';
 import { concat } from '../../prelude/array';
diff --git a/src/remote/activitypub/misc/get-note-html.ts b/src/remote/activitypub/misc/get-note-html.ts
index dba915fee..6990a4ae5 100644
--- a/src/remote/activitypub/misc/get-note-html.ts
+++ b/src/remote/activitypub/misc/get-note-html.ts
@@ -1,5 +1,5 @@
 import { Note } from '../../../models/entities/note';
-import { toHtml } from '../../../mfm/toHtml';
+import { toHtml } from '../../../mfm/to-html';
 import { parse } from '../../../mfm/parse';
 
 export default function(note: Note) {
diff --git a/src/remote/activitypub/misc/html-to-mfm.ts b/src/remote/activitypub/misc/html-to-mfm.ts
index 5d3cf0b77..5cca04df2 100644
--- a/src/remote/activitypub/misc/html-to-mfm.ts
+++ b/src/remote/activitypub/misc/html-to-mfm.ts
@@ -1,6 +1,6 @@
 import { IObject } from '../type';
 import { extractApHashtagObjects } from '../models/tag';
-import { fromHtml } from '../../../mfm/fromHtml';
+import { fromHtml } from '../../../mfm/from-html';
 
 export function htmlToMfm(html: string, tag?: IObject | IObject[]) {
 	const hashtagNames = extractApHashtagObjects(tag).map(x => x.name).filter((x): x is string => x != null);
diff --git a/src/remote/activitypub/models/person.ts b/src/remote/activitypub/models/person.ts
index 91b1c5cd6..4b8fa9a55 100644
--- a/src/remote/activitypub/models/person.ts
+++ b/src/remote/activitypub/models/person.ts
@@ -4,7 +4,7 @@ import config from '../../../config';
 import Resolver from '../resolver';
 import { resolveImage } from './image';
 import { isCollectionOrOrderedCollection, isCollection, IPerson, getApId, getOneApHrefNullable, IObject, isPropertyValue, IApPropertyValue } from '../type';
-import { fromHtml } from '../../../mfm/fromHtml';
+import { fromHtml } from '../../../mfm/from-html';
 import { htmlToMfm } from '../misc/html-to-mfm';
 import { resolveNote, extractEmojis } from './note';
 import { registerOrFetchInstanceDoc } from '../../../services/register-or-fetch-instance-doc';
diff --git a/src/remote/activitypub/renderer/person.ts b/src/remote/activitypub/renderer/person.ts
index af0e446ac..56ff10319 100644
--- a/src/remote/activitypub/renderer/person.ts
+++ b/src/remote/activitypub/renderer/person.ts
@@ -2,7 +2,7 @@ import renderImage from './image';
 import renderKey from './key';
 import config from '../../../config';
 import { ILocalUser } from '../../../models/entities/user';
-import { toHtml } from '../../../mfm/toHtml';
+import { toHtml } from '../../../mfm/to-html';
 import { parse } from '../../../mfm/parse';
 import { getEmojis } from './note';
 import renderEmoji from './emoji';