diff --git a/src/tests/running.md b/src/tests/running.md
index 4126341a..a6303c1a 100644
--- a/src/tests/running.md
+++ b/src/tests/running.md
@@ -148,10 +148,10 @@ time in subsequent rebuilds:
 ```
 
 If you don't want to include the flag with every command, you can
-enable it in the `config.toml`, too:
+enable it in the `config.toml`:
 
 ```toml
-# Whether to always use incremental compilation when building rustc
+[rust]
 incremental = true
 ```