From 1ac3a71d66ad6549a4de65481c81bb002e3650ac Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 4 Jun 2024 18:01:58 +0900
Subject: [PATCH] [DOC] ruby.1: Refine RUBY_GC_HEAP_n_INIT_SLOTS description

---
 man/ruby.1 | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/man/ruby.1 b/man/ruby.1
index 69acba35fe..905c712f4c 100644
--- a/man/ruby.1
+++ b/man/ruby.1
@@ -588,11 +588,14 @@ Reaching the old malloc limit.
 .Pp
 There are currently 4 possible areas where the GC may be tuned by
 the following environment variables:
-.Bl -hang -compact -width "RUBY_GC_HEAP_%d_INIT_SLOTS"
-.It Ev RUBY_GC_HEAP_ Ns Ar %d Ns Ev _INIT_SLOTS
+.Bl -hang -compact -width "RUBY_GC_HEAP_n_INIT_SLOTS"
+.Pp
+.It Ev RUBY_GC_HEAP_ Ns Ar n Ns Ev _INIT_SLOTS
 Initial allocation of slots in a specific heap.
 The available heaps can be found in the keys of
 .Li GC.stat_heap .
+.Ar n
+is a decimal number between 0 and 4.
 Introduced in Ruby 3.3.
 .Pp
 .It Ev RUBY_GC_HEAP_FREE_SLOTS