diff --git a/README.md b/README.md
index a98dffb..ea04f52 100644
--- a/README.md
+++ b/README.md
@@ -18,32 +18,32 @@ xoat
 * Tile proportions can be adjusted.
 * Can be flipped horizontally.
 
-     ---------------------------------     ---------------------------------
-     |                     |         |     |         |                     |
-     |                     |         |     |         |                     |
-     |                     |    2    |     |    2    |                     |
-     |          1          |         |     |         |           1         |
-     |                     |---------|     |---------|                     |
-     |                     |         |     |         |                     |
-     |                     |    3    |     |    3    |                     |
-     ---------------------------------     ---------------------------------
+	---------------------------------     ---------------------------------
+	|                     |         |     |         |                     |
+	|                     |         |     |         |                     |
+	|                     |    2    |     |    2    |                     |
+	|          1          |         |     |         |           1         |
+	|                     |---------|     |---------|                     |
+	|                     |         |     |         |                     |
+	|                     |    3    |     |    3    |                     |
+	---------------------------------     ---------------------------------
 
 * Xrandr rotated monitor also rotates layout (always 90 degrees, right).
 
-     ---------------------     ---------------------
-     |                   |     |       |           |
-     |                   |     |   3   |     2     |
-     |                   |     |       |           |
-     |         1         |     |-------------------|
-     |                   |     |                   |
-     |                   |     |                   |
-     |                   |     |                   |
-     |                   |     |                   |
-     |-------------------|     |         1         |
-     |       |           |     |                   |
-     |   3   |     2     |     |                   |
-     |       |           |     |                   |
-     ---------------------     ---------------------
+	---------------------     ---------------------
+	|                   |     |       |           |
+	|                   |     |   3   |     2     |
+	|                   |     |       |           |
+	|         1         |     |-------------------|
+	|                   |     |                   |
+	|                   |     |                   |
+	|                   |     |                   |
+	|                   |     |                   |
+	|-------------------|     |         1         |
+	|       |           |     |                   |
+	|   3   |     2     |     |                   |
+	|       |           |     |                   |
+	---------------------     ---------------------
 
 ### Philosophy