[bug] broken syntax highlighting for a single-line comment

[Cheatoid]

How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

Which OS are you using?

Windows

What is the issue affecting?

Annotations, Other

Expected Behaviour

The TODO/CONS: lookup table? comment should have the same syntax highlighting as sine and cosine comment.
Meanwhile if I use a block comment, it has correct syntax highlighting:

Actual Behaviour

Reproduction steps

-- sine and cosine
local math_sincos = function(n) -- TODO/CONS: lookup table?
	-- sine and cosine
	return math_sin(n), math_cos(n)
end

Additional Notes

No response

Log File

No response