diff --git a/book/art/forks-pruned.bob b/book/art/forks-pruned.bob
index 103f075fd3..78a951c3af 100644
--- a/book/art/forks-pruned.bob
+++ b/book/art/forks-pruned.bob
@@ -1,5 +1,9 @@
-    2
-   /|
-  / |
- 4  |
-    5
+     1
+     |
+     2
+    /|
+   / |
+  |  |
+  |  4
+  |
+  5
diff --git a/book/art/forks.bob b/book/art/forks.bob
index 2ebb960054..0c335e95cc 100644
--- a/book/art/forks.bob
+++ b/book/art/forks.bob
@@ -1,9 +1,13 @@
-      1
-     / \
-    2   \
-   /|   |
-  / |   |
- 4  |   |
-    5   /\
-       6  \
+     1
+     |\
+     2 \
+    /|  |
+   / |  3
+  |  |  |\
+  |  4  | \
+  |     |  |
+  5     |  |
+        |  |
+        6  |
+           |
            7