diff --git a/src/doc/rustc-dev-guide/src/tracing.md b/src/doc/rustc-dev-guide/src/tracing.md
index 151670d08997..78a0fe4af2ff 100644
--- a/src/doc/rustc-dev-guide/src/tracing.md
+++ b/src/doc/rustc-dev-guide/src/tracing.md
@@ -14,8 +14,8 @@ of `tracing-subscriber`](https://docs.rs/tracing-subscriber/0.2.24/tracing_subsc
 
 ## Environment variables
 
-This is an overview of the environment variables rustc accepts to customize
-its tracing output. The definition of these can mostly be found in `compiler/rustc_log/src/lib.rs`.
+This is an overview of the environment variables rustc accepts to customize its tracing output.
+The definition of these can mostly be found in `compiler/rustc_log/src/lib.rs`.
 
 |  Name                     | Usage                                                                                                                   |
 | ------------------------- | ----------------------------------------------------------------------------------------------------------------------- |