diff --git a/errors/src/errors/parser/parser_errors.rs b/errors/src/errors/parser/parser_errors.rs
index 49716cb5aa..14bac813cb 100644
--- a/errors/src/errors/parser/parser_errors.rs
+++ b/errors/src/errors/parser/parser_errors.rs
@@ -332,7 +332,7 @@ create_messages!(
     @formatted
     only_aleo_external_calls {
         args: (),
-        msg: format!("Only external calls to aleo programs are supported."),
+        msg: format!("Only external calls to `.aleo` programs are supported."),
         help: None,
     }
 );