diff --git a/frontend/index.html b/frontend/index.html
index ef80c79b..e8d73f73 100755
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -1,4 +1,4 @@
-
+
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 7eac8bc2..5643c740 100755
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -1,4 +1,4 @@
body {
margin: 0;
min-height: 100vh;
-}
\ No newline at end of file
+}
diff --git a/frontend/src/utils/yorkie/index.ts b/frontend/src/utils/yorkie/index.ts
index 0e195d14..1ef7ac0b 100644
--- a/frontend/src/utils/yorkie/index.ts
+++ b/frontend/src/utils/yorkie/index.ts
@@ -12,7 +12,7 @@ export { yorkieSync, yorkieSyncFacet, YorkieSyncConfig };
export function yorkieCodeMirror<
T extends YorkieCodeMirrorDocType,
- P extends YorkieCodeMirrorPresenceType,
+ P extends YorkieCodeMirrorPresenceType
>(doc: yorkie.Document, client: yorkie.Client) {
const yorkieSyncConfig = new YorkieSyncConfig(doc, client);
const plugins = [yorkieSyncFacet.of(yorkieSyncConfig), yorkieSync];
diff --git a/frontend/src/utils/yorkie/yorkieSync.ts b/frontend/src/utils/yorkie/yorkieSync.ts
index cbd01c61..54483c2a 100644
--- a/frontend/src/utils/yorkie/yorkieSync.ts
+++ b/frontend/src/utils/yorkie/yorkieSync.ts
@@ -14,7 +14,7 @@ export type YorkieCodeMirrorPresenceType = {
export class YorkieSyncConfig<
T extends YorkieCodeMirrorDocType,
- P extends YorkieCodeMirrorPresenceType,
+ P extends YorkieCodeMirrorPresenceType
> {
doc: yorkie.Document;
client: yorkie.Client;