diff --git a/syntax/parse.rs b/syntax/parse.rs
index a5f8bd1..b557584 100644
--- a/syntax/parse.rs
+++ b/syntax/parse.rs
@@ -280,7 +280,7 @@
         None => {
             return Err(Error::new_spanned(
                 abi,
-                "ABI name is required, extern \"C\" or extern \"Rust\"",
+                "ABI name is required, extern \"C++\" or extern \"Rust\"",
             ));
         }
     };