fix typo

Author: paleolimbot

NEWS.md

@@ -1,6 +1,6 @@
 # s2 (development version)
 
-* Added `s2_nearest_edges()` to make k-nearest neighbours calculation
+* Added `s2_closest_edges()` to make k-nearest neighbours calculation
   possible on the sphere (#111, #112).
 * Added `s2_interpolate()`, `s2_interpolate_normalized()`, 
   `s2_project()`, and `s2_project_normalized()` to provide linear