diff --git a/crates/gen_lsp_server/src/lib.rs b/crates/gen_lsp_server/src/lib.rs
index edbdda6c8c..86b72f6630 100644
--- a/crates/gen_lsp_server/src/lib.rs
+++ b/crates/gen_lsp_server/src/lib.rs
@@ -22,7 +22,7 @@
 //!         sender,
 //!         main_loop,
 //!     )?;
-//!     io_threads.join()?;
+//!     io_threads.exit()?;
 //!     Ok(())
 //! }
 //!