From 89ed992d86a77c27dc0a05488d00567b3f8b7024 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sun, 10 Mar 2024 16:54:30 +0100
Subject: [PATCH] bootstrap: document what the triples in 'Build' mean

---
 src/bootstrap/src/lib.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs
index a252aaac97d74..10c13fecbf367 100644
--- a/src/bootstrap/src/lib.rs
+++ b/src/bootstrap/src/lib.rs
@@ -171,9 +171,11 @@ pub struct Build {
     doc_tests: DocTests,
     verbosity: usize,
 
-    // Targets for which to build
+    /// Build triple for the pre-compiled snapshot compiler.
     build: TargetSelection,
+    /// Which triples to produce a compiler toolchain for.
     hosts: Vec<TargetSelection>,
+    /// Which triples to build libraries (core/alloc/std/test/proc_macro) for.
     targets: Vec<TargetSelection>,
 
     initial_rustc: PathBuf,