From 6b3354fbb384ab174283bea3659411e7ad20d50d Mon Sep 17 00:00:00 2001
From: actboy168 <actboy168@gmail.com>
Date: Wed, 27 Apr 2022 11:45:20 +0800
Subject: update std doc

---
 meta/template/os.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'meta/template/os.lua')

diff --git a/meta/template/os.lua b/meta/template/os.lua
index 711a17b6..c6af18cd 100644
--- a/meta/template/os.lua
+++ b/meta/template/os.lua
@@ -69,7 +69,7 @@ function os.exit(code, close) end
 
 ---#DES 'os.getenv'
 ---@param varname string
----@return string
+---@return string?
 ---@nodiscard
 function os.getenv(varname) end
 
-- 
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