diff --git a/README.md b/README.md
index 98dbf02..421e99d 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ print(x) # prints 500
 You can unpack a set by assigning it to another set, eg
 
 ```
-[x,y] = [5,6]
+[x,y] := [5,6]
 
 print(x) # 5
 print(y) # 6