diff --git a/src/building/suggested.md b/src/building/suggested.md
index f1665efdc..24e25f5d0 100644
--- a/src/building/suggested.md
+++ b/src/building/suggested.md
@@ -33,7 +33,7 @@ you can write: <!-- date: 2021-09 --><!-- the date comment is for the edition be
     ],
     "rust-analyzer.rustfmt.overrideCommand": [
         "./build/TARGET_TRIPLE/stage0/bin/rustfmt",
-        "--edition=2018"
+        "--edition=2021"
     ],
     "editor.formatOnSave": true,
     "rust-analyzer.cargo.runBuildScripts": false,