diff --git a/docs/lib3x-nz_worley3s.md b/docs/lib3x-nz_worley3s.md
index 4932c573..76560fe9 100644
--- a/docs/lib3x-nz_worley3s.md
+++ b/docs/lib3x-nz_worley3s.md
@@ -18,12 +18,12 @@ It divides the space into grids. The nucleus of each cell is randomly placed in
     use <voxel/vx_sphere.scad>;
     use <noise/nz_worley3s.scad>;
 
-    tile_w = 10;
+    grid_w = 10;
     dist = "euclidean"; // [euclidean, manhattan, chebyshev, border] 
     seed = 51;
 
     points = vx_sphere(20);
-    cells = nz_worley3s(points, seed, tile_w, dist);
+    cells = nz_worley3s(points, seed, grid_w, dist);
 
     for(i = [0:len(cells) - 1]) {
         c = (norm([cells[i][0], cells[i][1], cells[i][2]]) % 20) / 20;
diff --git a/src/noise/nz_worley3s.scad b/src/noise/nz_worley3s.scad
index d350e35b..2c7c3fc8 100644
--- a/src/noise/nz_worley3s.scad
+++ b/src/noise/nz_worley3s.scad
@@ -11,6 +11,6 @@
 use <../util/rand.scad>;
 use <_impl/_nz_worley3_impl.scad>;
 
-function nz_worley3s(points, seed, tile_w = 10, dist = "euclidean") =
+function nz_worley3s(points, seed, grid_w = 10, dist = "euclidean") =
     let(sd = is_undef(seed) ? floor(rand(0, 256)) : seed % 256)
-    [for(p = points) _nz_worley3(p, sd, tile_w, dist)];
\ No newline at end of file
+    [for(p = points) _nz_worley3(p, sd, grid_w, dist)];
\ No newline at end of file