From 727240c777b212e6191ff5acbfd4b994d37ca2b2 Mon Sep 17 00:00:00 2001
From: clarkzjw <i@jinwei.me>
Date: Thu, 17 Nov 2022 11:46:52 -0800
Subject: + update README

---
 README.md | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 024e898..39278df 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,12 @@
 
 Personal image processing routine
 
-`exif.py`: Batch rename RAW image files with date and time prefix.
+`exif.py`
 
-`square.py`: Add drop shadow to an image and make it square.
+Batch rename RAW image files with date and time prefix using `exiftool`
+
+Currently only tested with Canon `.CR2`, `.CR3` and `.dng` files from Pixel phones.
+
+`square.py`
+
+Add drop shadow to an image and make it square.
-- 
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