diff --git a/Data-model.md b/Data-model.md
index ad5511f..3572761 100644
--- a/Data-model.md
+++ b/Data-model.md
@@ -96,7 +96,7 @@ World data is mainly stored in typed arrays within `cells` object in both `grid`
 * `pack.cells.crossroad`: `number[]` - cells crossroad score. Show cells where multiple routes are crossing. `Uint16Array`
 * `pack.cells.q`: `object` - quadtree used for fast closest cell detection
 
-# Secondary pack data
+# Secondary data
 Secondary data available as a part of the `pack` object.
 
 ## Cultures