diff --git a/examples/di/ocr_receipt.py b/examples/di/ocr_receipt.py
index 6b969ee99..af54d519b 100644
--- a/examples/di/ocr_receipt.py
+++ b/examples/di/ocr_receipt.py
@@ -8,7 +8,7 @@ async def main():
     requirement = f"""This is a {language} receipt image.
     Your goal is to perform OCR on images using PaddleOCR, output text content from the OCR results and discard 
     coordinates and confidence levels, then recognize the total amount from ocr text content, and finally save as table. 
-    Image path: {image_path}. 
+    Image path: {image_path}.
     NOTE: The environments for Paddle and PaddleOCR are all ready and has been fully installed."""
     di = DataInterpreter()