diff --git a/meta/template/string.lua b/meta/template/string.lua
index 841654f5c..b0acb5b8d 100644
--- a/meta/template/string.lua
+++ b/meta/template/string.lua
@@ -31,9 +31,9 @@ function string.dump(f, strip) end
 ---@param pattern string|number
 ---@param init?   integer
 ---@param plain?  boolean
----@return integer start
----@return integer end
----@return any ... captured
+---@return integer|nil start
+---@return integer|nil end
+---@return any|nil ... captured
 ---@nodiscard
 function string.find(s, pattern, init, plain) end