diff --git a/examples/basic.cpp b/examples/basic.cpp
index 2b0bf62..0c347f8 100644
--- a/examples/basic.cpp
+++ b/examples/basic.cpp
@@ -37,14 +37,14 @@ namespace
 			time = 0;
 		}
 
-		for (int i = 0; i < 32; i++)
+		for (int i = 0; i < 40; i++)
 		{
-			for (int j = 0; j < 20; j++)
+			for (int j = 0; j < 25; j++)
 			{
-				for (int k = 0; k < 16; k++)
+				for (int k = 0; k < 8; k++)
 				{
-					glerminal_set(i, j, k, 1);
-					glerminal_offset(i, j, k, (rand() * rand()) % 256 - 128, (rand() * rand()) % 256 - 128);
+					glerminal_set(i, j, k, rand() % 2);
+					glerminal_offset(i, j, k, (rand() * rand()) % 100 - 50, (rand() * rand()) % 100 - 50);
 				}
 			}
 		}
diff --git a/include/glerminal.h b/include/glerminal.h
index caef052..bb48d9e 100644
--- a/include/glerminal.h
+++ b/include/glerminal.h
@@ -33,24 +33,24 @@ void glerminal_flush();
 
 /**
  * @brief Set a cell's sprite
- * @param x position of the cell in the range [0, 32)
- * @param y position of the cell in the range [0, 20)
+ * @param x position of the cell in the range [0, 40)
+ * @param y position of the cell in the range [0, 25)
  * @param layer layer of the cell in the range [0, 8)
  * @param sprite sprite's index in the range [0, 256)
  */
 void glerminal_set(unsigned char x, unsigned char y, unsigned char layer, unsigned char sprite);
 /**
  * @brief Get a cell's sprite
- * @param x position of the cell in the range [0, 32)
- * @param y position of the cell in the range [0, 20)
+ * @param x position of the cell in the range [0, 40)
+ * @param y position of the cell in the range [0, 25)
  * @param layer layer of the cell in the range [0, 8)
  * @return sprite index currently assigned to the cell
  */
 unsigned char glerminal_get(unsigned char x, unsigned char y, unsigned char layer);
 /**
  * @brief Set a cell's offset
- * @param x position of the cell in the range [0, 32)
- * @param y position of the cell in the range [0, 20)
+ * @param x position of the cell in the range [0, 40)
+ * @param y position of the cell in the range [0, 25)
  * @param layer layer of the cell in the range [0, 8)
  * @param x_offset offset of the cell on the x axis in the range [-128, 127], where 0 is no offset
  * @param y_offset offset of the cell on the y axis in the range [-128, 127], where 0 is no offset
diff --git a/source/glerminal-private.h b/source/glerminal-private.h
index 3883b0a..5dc9afb 100644
--- a/source/glerminal-private.h
+++ b/source/glerminal-private.h
@@ -16,7 +16,7 @@ namespace glerminal
 	constexpr unsigned int SCREEN_WIDTH = 1280;
 	constexpr unsigned int SCREEN_HEIGHT = 800;
 	constexpr unsigned int CELL_SIZE = GLERMINAL_CELL_SIZE;
-	constexpr unsigned int CELL_SCALE = 5;
+	constexpr unsigned int CELL_SCALE = 4;
 	constexpr unsigned int GRID_WIDTH = SCREEN_WIDTH / (CELL_SIZE * CELL_SCALE);
 	constexpr unsigned int GRID_HEIGHT = SCREEN_HEIGHT / (CELL_SIZE * CELL_SCALE);
 	constexpr unsigned int GRID_AREA = GRID_WIDTH * GRID_HEIGHT;