diff --git a/src/book.js b/src/book.js
index b5f065c..41d5090 100644
--- a/src/book.js
+++ b/src/book.js
@@ -10,7 +10,7 @@ import { PAGE_LAYOUTS, PAGE_SIZES } from './constants.js';
 import { updatePageLayoutInfo } from './utils/renderUtils.js';
 import JSZip from 'jszip';
 import { loadConfiguration } from './utils/formUtils.js';
-import { drawFoldlines, drawCropmarks, drawSpineMarks, drawSigOrderMark, drawSewingMarks } from './utils/drawing.js';
+import { drawFoldlines, drawCropmarks, drawSpineMark, drawSigOrderMark, drawSewingMarks } from './utils/drawing.js';
 import { calculateDimensions, calculateLayout } from './utils/layout.js';
 import { interleavePages, embedPagesInNewPdf } from './utils/pdf.js';
 
diff --git a/src/utils/drawing.js b/src/utils/drawing.js
index 12fcf34..5fa98b8 100644
--- a/src/utils/drawing.js
+++ b/src/utils/drawing.js
@@ -121,7 +121,7 @@ export function drawCropmarks(papersize, per_sheet) {
   return lines;
 }
 
-/*
+/**
  * @param {@param {import("../book.js").PageInfo}} sigDetails - information about signature where marks will be printed
  * @param {import("../book.js").Position} position - position info object
  * @param {number} amount - amount of sewing crosses.