diff --git a/crates/proc_macro_srv/src/abis/abi_1_57/mod.rs b/crates/proc_macro_srv/src/abis/abi_1_57/mod.rs
index dd3fd8b642..59e1a4bf90 100644
--- a/crates/proc_macro_srv/src/abis/abi_1_57/mod.rs
+++ b/crates/proc_macro_srv/src/abis/abi_1_57/mod.rs
@@ -1,4 +1,4 @@
-//! Macro ABI for version 1.58 of rustc
+//! Macro ABI for version 1.57 of rustc
 
 #[allow(dead_code)]
 #[doc(hidden)]