From 034a0ebb6cbfc1e053ddedf6af08726fdde826af Mon Sep 17 00:00:00 2001
From: "Felix S. Klock II" <pnkfelix@pnkfx.org>
Date: Mon, 5 Nov 2018 18:06:23 +0100
Subject: [PATCH] This should have been part of PR #54811 (my bad).

---
 src/bootstrap/configure.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py
index c69e9a1d9dcf0..c76dcc5e606e1 100755
--- a/src/bootstrap/configure.py
+++ b/src/bootstrap/configure.py
@@ -40,7 +40,7 @@ def v(*args):
     options.append(Option(*args, value=True))
 
 
-o("debug", "rust.debug", "debug mode; disables optimization unless `--enable-optimize` given")
+o("debug", "rust.debug", "enables debugging environment; does not affect optimization of bootstrapped code (use `--disable-optimize` for that)")
 o("docs", "build.docs", "build standard library documentation")
 o("compiler-docs", "build.compiler-docs", "build compiler documentation")
 o("optimize-tests", "rust.optimize-tests", "build tests with optimizations")