From f6d519ee09119041fc23d943d31a5aded2e028ee Mon Sep 17 00:00:00 2001
From: Valentin Gagarin <valentin.gagarin@tweag.io>
Date: Sun, 11 Jun 2023 02:19:34 +0200
Subject: [PATCH] Update rfcs/0137-nix-language-version.md

---
 rfcs/0137-nix-language-version.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rfcs/0137-nix-language-version.md b/rfcs/0137-nix-language-version.md
index 5c67089..de45923 100644
--- a/rfcs/0137-nix-language-version.md
+++ b/rfcs/0137-nix-language-version.md
@@ -156,6 +156,7 @@ Once the language version is accessible though, tooling can at least be adapted
    </details>
 
 1. The language version for Nix expressions is denoted in special syntax, at the beginning of a parse unit.
+   A parse unit is any text stream, e.g. a file or string.
 
    <details><summary>Arguments</summary>