diff --git a/src/history/history-entry.dto.ts b/src/history/history-entry.dto.ts
index 32e9c6e45..b990c92e4 100644
--- a/src/history/history-entry.dto.ts
+++ b/src/history/history-entry.dto.ts
@@ -8,8 +8,16 @@ import { IsBoolean, ValidateNested } from 'class-validator';
 import { NoteMetadataDto } from '../notes/note-metadata.dto';
 
 export class HistoryEntryDto {
+  /**
+   * Metadata of this note
+   */
   @ValidateNested()
   metadata: NoteMetadataDto;
+
+  /**
+   * True if this note is pinned
+   * @example false
+   */
   @IsBoolean()
   pinStatus: boolean;
 }