diff --git a/tremor-script/src/errors.rs b/tremor-script/src/errors.rs
index 026744963f..1da52f0f07 100644
--- a/tremor-script/src/errors.rs
+++ b/tremor-script/src/errors.rs
@@ -35,7 +35,7 @@ use std::ops::{Range as RangeExclusive, RangeInclusive};
 use std::{fmt::Display, num};
 
 #[derive(Debug)]
-/// An error with a associated arena index
+/// An error with an associated arena index
 pub struct ErrorWithIndex(pub arena::Index, pub Error);
 
 impl std::fmt::Display for ErrorWithIndex {