From 7199dc75598e2900141c618ca01d23113c711be5 Mon Sep 17 00:00:00 2001
From: Wuzzy <wuzzy2@mail.ru>
Date: Tue, 24 Dec 2019 18:12:31 +0000
Subject: [PATCH] Document permissible group ratings (#9236)

---
 doc/lua_api.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 7663b5c9e..35be95d51 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -1481,7 +1481,8 @@ Usage
 -----
 
 Groups are stored in a table, having the group names with keys and the
-group ratings as values. For example:
+group ratings as values. Group ratings are integer values within the
+range [-32767, 32767]. For example:
 
     -- Default dirt
     groups = {crumbly=3, soil=1}