From b75c30e23f3c7ceb448d67a5d6a30de87d1e9733 Mon Sep 17 00:00:00 2001
From: ChocoParrot <lachocoparrot@gmail.com>
Date: Sun, 12 Sep 2021 21:24:03 +0800
Subject: [PATCH] [refactor] readme warning

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index b01ea4e..ad2696b 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,10 @@ ORFFinder in Python. Inspired by NCBI's version: https://www.ncbi.nlm.nih.gov/or
 ### Usage
 Import the package
 
+**IMPORTANT: Your DNA/RNA strand should always be from the 5' to 3' direction when input!**
+![Transcription direction](https://cdn.kastatic.org/ka-perseus-images/1da89713b9aa8067742244d916749e72561bb3cc.png)
+(Image credit: Khan Academy)
+
 ```py
 from Bio import SeqIO
 import orffinder