Update changelog (build with Ninja)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc29e1c8b4d0976fd5bf8c4a95a528cecf1ae220..bd0704fcaace9d745a18d04943acf4345450faca 100644 (file)
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,9 @@ The format is based on [Keep a Changelog][] and this project adheres to
 - Nearest neighbour `nn2` procedure based on linear search over `nodes()`.
 - Nearest neighbour `nn3` procedure based on indexing over `y` axis.
 
+### Changed
+- Build with Ninja.
+
 ## 0.1.0 - 2018-07-05
 ### Added
 - Changelog, license, readme.