StatisticsV2: initial statistics framework redesign

datafusion/common/src/spans.rs

@@ -140,7 +140,7 @@ impl Span {
 /// the column a that comes from SELECT 1 AS a UNION ALL SELECT 2 AS a you'll
 /// need two spans.
 #[derive(Debug, Clone)]
-// Store teh first [`Span`] on the stack because that is by far the most common
+// Store the first [`Span`] on the stack because that is by far the most common
 // case. More will spill onto the heap.
 pub struct Spans(pub Vec<Span>);