fix typos

Author: adriangb

datafusion/expr/src/logical_plan/plan.rs

@@ -2627,7 +2627,7 @@ pub struct ScanOrdering {
 }
 
 impl ScanOrdering {
-    /// Attatch a preferred ordering to the scan ordering.
+    /// Attach a preferred ordering to the scan ordering.
     /// See [`ScanOrdering`] for details on how this is used.
     pub fn with_preferred_ordering(mut self, preferred_ordering: Vec<SortExpr>) -> Self {
         self.preferred_ordering = Some(preferred_ordering);

datafusion/optimizer/src/push_down_sort.rs

@@ -485,7 +485,7 @@ mod tests {
             ])?
             .build()?;
 
-        // We can succesfully rewrite the sort expression `bc1` to `b + c + 1` and push it down
+        // We can successfully rewrite the sort expression `bc1` to `b + c + 1` and push it down
         assert_optimized_plan_equal!(
             plan,
             @r"