diff --git a/changelog.d/0000-shared-terrain-surface.md b/changelog.d/1689-shared-terrain-surface.md
similarity index 86%
rename from changelog.d/0000-shared-terrain-surface.md
rename to changelog.d/1689-shared-terrain-surface.md
index bd7569b97..90c9502d1 100644
--- a/changelog.d/0000-shared-terrain-surface.md
+++ b/changelog.d/1689-shared-terrain-surface.md
@@ -2,4 +2,4 @@
   (`src/services/terrainSurface.js`) in Transit, Rail, Bike Share and the local
   data layers. Opening Data Centers no longer blocks the page for over two
   seconds, opening Bike Share for most of a second, and Rail asks the terrain
-  about a twentieth as often (mazy1998).
+  about a twentieth as often (mazy1998, #1689).