diff --git a/changes.md b/changes.md
index bd88a1af..30bb8738 100644
--- a/changes.md
+++ b/changes.md
@@ -1,3 +1,4 @@
 
+* 2018-08-28: `Vec4.lerp` is no longer static, use `var v = new Vec4(); v.lerp(from, to, s)`
 * 2018-08-21: `Vec4.lerp(to, from, s)` is now `Vec4.lerp(from, to, s)`
 * 2017-12-10: Use `iron.math.Vec4.distance()` instead of `iron.math.Vec4.distance3d()`.