diff --git a/tokio/src/runtime/handle.rs b/tokio/src/runtime/handle.rs
index 91be19ed834..4a833539f38 100644
--- a/tokio/src/runtime/handle.rs
+++ b/tokio/src/runtime/handle.rs
@@ -487,7 +487,7 @@ cfg_taskdump! {
         /// `.cargo/config.toml`:
         /// ```text
         /// [build]
-        /// rustflags = ["--cfg tokio_unstable", "--cfg tokio_taskdump"]
+        /// rustflags = ["--cfg", "tokio_unstable", "--cfg", "tokio_taskdump"]
         /// ```
         ///
         /// [cargo-config]: