From 9ec53344f5e4895e24d6b4df7bbf49470c060a51 Mon Sep 17 00:00:00 2001
From: Simon Sapin <simon.sapin@exyr.org>
Date: Tue, 16 Jan 2018 14:39:01 +0100
Subject: [PATCH] servobuild: comment some more on the default value

---
 servobuild.example | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/servobuild.example b/servobuild.example
index a328e24725e..2a65bbabc8d 100644
--- a/servobuild.example
+++ b/servobuild.example
@@ -41,7 +41,10 @@ debug-mozjs = false
 #rustflags = ""
 
 # Enable or disable rustc’s incremental compilation
-# The default is enabled in debug mode only.
+# Cargo’s default is to enable it in debug mode but not in release mode.
+# Leaving this key unspecified makes mach keep Cargo’s default.
+# It can be set to true or false in order to always enable or always disable
+# incremental compilation.
 #incremental = false
 #incremental = true