diff --git a/datafusion/expr/src/columnar_value.rs b/datafusion/expr/src/columnar_value.rs
index 3605476d6d7b..bfefb37c98d7 100644
--- a/datafusion/expr/src/columnar_value.rs
+++ b/datafusion/expr/src/columnar_value.rs
@@ -28,7 +28,7 @@ use std::sync::Arc;
 /// The result of evaluating an expression.
 ///
 /// [`ColumnarValue::Scalar`] represents a single value repeated any number of
-/// times. THis is an important performance optimization for handling values
+/// times. This is an important performance optimization for handling values
 /// that do not change across rows.
 ///
 /// [`ColumnarValue::Array`] represents a column of data, stored as an  Arrow