fix: comment in the doc file

src/domain/doc.py

@@ -430,7 +430,7 @@ class Doc:
         #the index is the index of the block in the docx file where to insert the table
         #the content is the content of the table with the following format:
         #content = {
-        #    "header": ["header1", "header2", "header3"],
+        #    "headers": ["header1", "header2", "header3"],
         #    "rows": [
         #        ["row1", "row1", "row1"],
         #        ["row2", "row2", "row2"],