From 0e2f06e5bde552eaf6455fef3407469ff5955f57 Mon Sep 17 00:00:00 2001
From: nonlin-lin-chaos-order-etc-etal
 <19966907+nonlin-lin-chaos-order-etc-etal@users.noreply.github.com>
Date: Thu, 9 Dec 2021 01:15:52 +0800
Subject: [PATCH] Update README.md

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index f59aa8f..1382e70 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,6 @@
 
 ## Build Requirements
 
- * Qt 5 is necessary (because Qt4 lacks QtWidgets/ folder)
+ * Qt 5 is necessary (because Qt 4 lacks `QtWidgets/` folder):
+   * ubuntu 20.04: `sudo apt install qt5-default qt5-doc qt5-doc-html`
+