From 878827ef0206312864b5a530234b6d7667cf9f5c Mon Sep 17 00:00:00 2001
From: marblexu <47616581+marblexu@users.noreply.github.com>
Date: Thu, 12 Dec 2019 22:09:22 +0800
Subject: [PATCH 1/2] Update README.md

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 91336d5..3e819ad 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # PythonPlantsVsZombies
-a simple PlantsVsZombies game
+a simple PlantsVsZombies game. 
+It's just for learning and noncommercial use. If this game infringes the copyright, please let me know.
 * implement plants: sunflower, peashooter, wallnut, snowpeashooter, cherrybomb, threepeashooter, chomper, puffshroom, potatomine, spikeweed, scaredyshroom, squash, scaredyshroom, jalapeno, sunShroom, iceShroom.
 * implement zombies: zombie, flagzombie, coneheadzombie, bucketheadzombie, newspaperzombie.
 * use json file to store level data (e.g.position and time of zombies, background info)

From 04f0f6cf22f2090bdfdf6ab1abd56f7ea516986a Mon Sep 17 00:00:00 2001
From: marblexu <47616581+marblexu@users.noreply.github.com>
Date: Fri, 13 Dec 2019 09:12:14 +0800
Subject: [PATCH 2/2] Update README.md

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 3e819ad..cf22e37 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,8 @@ It's just for learning and noncommercial use. If this game infringes the copyrig
 * support night level
 
 # Requirement
-* Python 3.7
+* Python 3.7 
+* Notice: python version 3.7 is advisable, but not required. For LINUX: if your Linux system has a preinstalled python 3+, it's ok to run this game. Updating to python 3.7 directly may break LINUX Mint.
 * Python-Pygame 1.9
 
 # How To Start Game