diff --git a/config.toml.example b/config.toml.example
index d811b914d20a1..2425adfd775c8 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -202,15 +202,15 @@ changelog-seen = 2
 # You can use "$ROOT" to indicate the root of the git repository.
 #build-dir = "build"
 
-# Instead of downloading the src/stage0.txt version of Cargo specified, use
+# Instead of downloading the src/stage0.json version of Cargo specified, use
 # this Cargo binary instead to build all Rust code
 #cargo = "/path/to/cargo"
 
-# Instead of downloading the src/stage0.txt version of the compiler
+# Instead of downloading the src/stage0.json version of the compiler
 # specified, use this rustc binary instead as the stage0 snapshot compiler.
 #rustc = "/path/to/rustc"
 
-# Instead of download the src/stage0.txt version of rustfmt specified,
+# Instead of download the src/stage0.json version of rustfmt specified,
 # use this rustfmt binary instead as the stage0 snapshot rustfmt.
 #rustfmt = "/path/to/rustfmt"