diff --git a/src/openrct2/world/Location.hpp b/src/openrct2/world/Location.hpp
index 2be44bad83..796d3c9791 100644
--- a/src/openrct2/world/Location.hpp
+++ b/src/openrct2/world/Location.hpp
@@ -52,11 +52,10 @@ assert_struct_size(LocationXYZ16, 6);
 
 constexpr sint32 COORDS_NULL = -1;
 
-
-/*
- * Tile coordinates use 1 x/y increment per tile.
- * Regular ('big', 'sprite') coordinates use 32 x/y increments per tile.
- * */
+/**
+ * Tile coordinates use 1 x/y increment per tile and 1 z increment per step.
+ * Regular ('big', 'sprite') coordinates use 32 x/y increments per tile and 8 z increments per step.
+ */
 struct CoordsXY
 {
     sint32 x, y;
@@ -95,14 +94,6 @@ struct TileCoordsXYZ
     sint32 x = 0, y = 0, z = 0;
 };
 
-struct TileCoordsXYZD
-{
-    sint32 x, y, z;
-    uint8 direction;
-
-    bool isNull() const { return x == COORDS_NULL; };
-};
-
 struct CoordsXYZD
 {
     sint32 x, y, z;
@@ -111,4 +102,10 @@ struct CoordsXYZD
     bool isNull() const { return x == COORDS_NULL; };
 };
 
+struct TileCoordsXYZD
+{
+    sint32 x, y, z;
+    uint8 direction;
 
+    bool isNull() const { return x == COORDS_NULL; };
+};