diff --git a/docs/lib2x-nz_worley2.md b/docs/lib2x-nz_worley2.md
index 9f51d7b5..e1649036 100644
--- a/docs/lib2x-nz_worley2.md
+++ b/docs/lib2x-nz_worley2.md
@@ -2,7 +2,7 @@
 
 Returns the 2D [Worley noise](https://en.wikipedia.org/wiki/Worley_noise) value `[cell_x, cell_y, noise]` at the (x, y) coordinate. 
 
-It divides the space into tiles. The nucleus of each cell is randomly placed in a tile. 
+It divides the space into grids. The nucleus of each cell is randomly placed in a grid. 
 
 ![nz_worley2](images/lib2x-nz_worley2-1.JPG)
 
@@ -13,7 +13,7 @@ It divides the space into tiles. The nucleus of each cell is randomly placed in
 - `x` : The x coordinate.
 - `y` : The y coordinate.
 - `seed` : The random seed.
-- `tile_w` : The tile width. Default to 10. Smaller `tile_w` makes more cells.
+- `grid_w` : The grid width. Default to 10. Smaller `grid_w` makes more cells.
 - `dist` : The noise value of each point is based on its distance to other cells. Different distance strategies make different noises. The `dist` parameter accepts `"euclidean"`, `"manhattan"`, `"chebyshev"` or `"border"`.
 
 ## Examples
@@ -22,7 +22,7 @@ It divides the space into tiles. The nucleus of each cell is randomly placed in
     use <util/dedup.scad>;
 
     size = [100, 50];
-    tile_w = 10;
+    grid_w = 10;
     dist = "euclidean"; // [euclidean, manhattan, chebyshev, border] 
     seed = 51;
 
@@ -32,7 +32,7 @@ It divides the space into tiles. The nucleus of each cell is randomly placed in
                 [x, y]
     ];
 
-    cells = [for(p = points) nz_worley2(p[0], p[1], seed, tile_w, dist)];
+    cells = [for(p = points) nz_worley2(p[0], p[1], seed, grid_w, dist)];
 
     max_dist = max([for(c = cells) c[2]]);
     for(i = [0:len(cells) - 1]) {
diff --git a/docs/lib2x-nz_worley2s.md b/docs/lib2x-nz_worley2s.md
index fd2b0262..690cd2b0 100644
--- a/docs/lib2x-nz_worley2s.md
+++ b/docs/lib2x-nz_worley2s.md
@@ -2,7 +2,7 @@
 
 Returns 2D [Worley noise](https://en.wikipedia.org/wiki/Worley_noise) values `[cell_x, cell_y, noise]` at (x, y) coordinates. 
 
-It divides the space into tiles. The nucleus of each cell is randomly placed in a tile. 
+It divides the space into grids. The nucleus of each cell is randomly placed in a grid. 
 
 ![nz_worley2s](images/lib2x-nz_worley2s-1.JPG)
 
@@ -12,7 +12,7 @@ It divides the space into tiles. The nucleus of each cell is randomly placed in
 
 - `points` :  A list of `[x, y]` coordinates.
 - `seed` :  The random seed. If it's ignored, a randomized value will be used.
-- `tile_w` : The tile width. Default to 10. Smaller `tile_w` makes more cells.
+- `grid_w` : The grid width. Default to 10. Smaller `grid_w` makes more cells.
 - `dist` : The noise value of each point is based on its distance to other cells. Different distance strategies make different noises. The `dist` parameter accepts `"euclidean"`, `"manhattan"`, `"chebyshev"` or `"border"`.
 
 ## Examples
@@ -20,7 +20,7 @@ It divides the space into tiles. The nucleus of each cell is randomly placed in
     use <noise/nz_worley2s.scad>;
 
     size = [100, 50];
-    tile_w = 10;
+    grid_w = 10;
     dist = "euclidean"; // [euclidean, manhattan, chebyshev, border] 
     seed = 51;
 
@@ -30,7 +30,7 @@ It divides the space into tiles. The nucleus of each cell is randomly placed in
                 [x, y]
     ];
 
-    cells = nz_worley2s(points, seed, tile_w, dist);
+    cells = nz_worley2s(points, seed, grid_w, dist);
 
     for(i = [0:len(cells) - 1]) {
         h = norm([cells[i][0], cells[i][1]]) % 10;
diff --git a/src/noise/_impl/_nz_worley2_impl.scad b/src/noise/_impl/_nz_worley2_impl.scad
index 8fd8b217..4b3b6d09 100644
--- a/src/noise/_impl/_nz_worley2_impl.scad
+++ b/src/noise/_impl/_nz_worley2_impl.scad
@@ -1,16 +1,16 @@
 use <noise/_impl/_nz_worley_comm.scad>;
 use <util/sort.scad>;
 
-function _neighbors(fcord, seed, tile_w) = [
+function _neighbors(fcord, seed, grid_w) = [
     for(y = [-1:1])
         for(x = [-1:1])
         let(
             nx = fcord[0] + x,
             ny = fcord[1] + y,
-            sd_base = abs(nx + ny * tile_w),
+            sd_base = abs(nx + ny * grid_w),
             sd1 = _lookup_noise_table(seed + sd_base),
             sd2 = _lookup_noise_table(sd1 * 255 + sd_base),
-            nbr = [(nx + sd1) * tile_w, (ny + sd2) * tile_w]
+            nbr = [(nx + sd1) * grid_w, (ny + sd2) * grid_w]
         )
         nbr
 ];
@@ -38,10 +38,10 @@ function _nz_worley2_border(p, nbrs) =
     )
     [a[0], a[1], (p - m) * (a - m)];
     
-function _nz_worley2(p, seed, tile_w, dist) = 
+function _nz_worley2(p, seed, grid_w, dist) = 
     let(
-        fcord = [floor(p[0] / tile_w), floor(p[1] / tile_w)],
-        nbrs = _neighbors(fcord, seed, tile_w)
+        fcord = [floor(p[0] / grid_w), floor(p[1] / grid_w)],
+        nbrs = _neighbors(fcord, seed, grid_w)
     )
     dist == "border" ? _nz_worley2_border(p, nbrs) : 
                        _nz_worley2_classic(p, nbrs, dist);
\ No newline at end of file
diff --git a/src/noise/_impl/_nz_worley3_impl.scad b/src/noise/_impl/_nz_worley3_impl.scad
index 5c69b215..744ce7ba 100644
--- a/src/noise/_impl/_nz_worley3_impl.scad
+++ b/src/noise/_impl/_nz_worley3_impl.scad
@@ -1,7 +1,7 @@
 use <noise/_impl/_nz_worley_comm.scad>;
 use <util/sort.scad>;
 
-function _neighbors(fcord, seed, tile_w) = [
+function _neighbors(fcord, seed, grid_w) = [
     for(z = [-1:1])    
         for(y = [-1:1])
             for(x = [-1:1])
@@ -9,11 +9,11 @@ function _neighbors(fcord, seed, tile_w) = [
                 nx = fcord[0] + x,
                 ny = fcord[1] + y,
                 nz = fcord[2] + z,
-                sd_base = abs(nx + ny * tile_w + nz * tile_w * tile_w),
+                sd_base = abs(nx + ny * grid_w + nz * grid_w * grid_w),
                 sd1 = _lookup_noise_table(seed + sd_base),
                 sd2 = _lookup_noise_table(sd1 * 255 + sd_base),
                 sd3 = _lookup_noise_table(sd2 * 255 + sd_base),
-                nbr = [(nx + sd1) * tile_w, (ny + sd2) * tile_w, (nz + sd3) * tile_w]
+                nbr = [(nx + sd1) * grid_w, (ny + sd2) * grid_w, (nz + sd3) * grid_w]
             )
             nbr
 ];
@@ -41,10 +41,10 @@ function _nz_worley3_border(p, nbrs) =
     )
     [a[0], a[1], a[2], (p - m) * (a - m)];
     
-function _nz_worley3(p, seed, tile_w, dist) = 
+function _nz_worley3(p, seed, grid_w, dist) = 
     let(
-        fcord = [floor(p[0] / tile_w), floor(p[1] / tile_w), floor(p[2] / tile_w)],
-        nbrs = _neighbors(fcord, seed, tile_w)
+        fcord = [floor(p[0] / grid_w), floor(p[1] / grid_w), floor(p[2] / grid_w)],
+        nbrs = _neighbors(fcord, seed, grid_w)
     )
     dist == "border" ? _nz_worley3_border(p, nbrs) :
                        _nz_worley3_classic(p, nbrs, dist);
\ No newline at end of file
diff --git a/src/noise/nz_worley2.scad b/src/noise/nz_worley2.scad
index d785fabc..bf0478b1 100644
--- a/src/noise/nz_worley2.scad
+++ b/src/noise/nz_worley2.scad
@@ -11,6 +11,6 @@
 use <util/rand.scad>;
 use <noise/_impl/_nz_worley2_impl.scad>;
 
-function nz_worley2(x, y, seed, tile_w = 10, dist = "euclidean") =
+function nz_worley2(x, y, seed, grid_w = 10, dist = "euclidean") =
     let(sd = is_undef(seed) ? floor(rand(0, 256)) : seed % 256)
-    _nz_worley2([x, y], sd, tile_w, dist); 
\ No newline at end of file
+    _nz_worley2([x, y], sd, grid_w, dist); 
\ No newline at end of file
diff --git a/src/noise/nz_worley2s.scad b/src/noise/nz_worley2s.scad
index 1e2ca349..f40f2162 100644
--- a/src/noise/nz_worley2s.scad
+++ b/src/noise/nz_worley2s.scad
@@ -11,6 +11,6 @@
 use <util/rand.scad>;
 use <noise/_impl/_nz_worley2_impl.scad>;
 
-function nz_worley2s(points, seed, tile_w = 10, dist = "euclidean") =
+function nz_worley2s(points, seed, grid_w = 10, dist = "euclidean") =
     let(sd = is_undef(seed) ? floor(rand(0, 256)) : seed % 256)
-    [for(p = points) _nz_worley2(p, sd, tile_w, dist)];
\ No newline at end of file
+    [for(p = points) _nz_worley2(p, sd, grid_w, dist)];
\ No newline at end of file