From 686a4ebeb7abe3ac08fa46f7e8015ac8363ab643 Mon Sep 17 00:00:00 2001
From: Sander Hautvast <shautvast@gmail.com>
Date: Thu, 4 Mar 2021 21:32:01 +0100
Subject: [PATCH] addition to readme

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 14a8b0d..d5f808f 100644
--- a/README.md
+++ b/README.md
@@ -37,5 +37,9 @@ The repl has the following syntax (It's work in progress, new capabilities will
   b = vector(-1, 1)
   c = "a+b"
   ```
-* and press enter. Then using the mouse pointer move a or b. 
+* and press enter. Then using the mouse pointer move a or b. Or try:
+  ```
+  a=2*a
+  ```
+  this updates vector ```a``` to twice it's size. And, because ```c``` is defined lazily, it is updated as well!
 * or type help()
\ No newline at end of file