From 525e357718a0731dad318bb840001eb143b9b11d Mon Sep 17 00:00:00 2001
From: acenturyandabit <33882353+acenturyandabit@users.noreply.github.com>
Date: Sat, 15 Mar 2025 15:06:05 +1100
Subject: [PATCH] Need to install core otherwise you will get "Package `core`
 not found"

---
 book/chapters/basics/hello-world/console2 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/book/chapters/basics/hello-world/console2 b/book/chapters/basics/hello-world/console2
index e3e0d4e..2a4375b 100644
--- a/book/chapters/basics/hello-world/console2
+++ b/book/chapters/basics/hello-world/console2
@@ -1,4 +1,5 @@
 $ opam install ocamlfind
+$ opam install core
 $ ocamlfind opt -package core -thread -linkpkg hello2.ml
 $ ./a.out
 hello world