diff --git a/doc/design/images/graph_construction_example.dot b/doc/design/images/graph_construction_example.dot
index b77ddd448e413248951823fed6f80c1c305db535..86f82fe05af2b8b77ed9b25a5f39562456eb7ec1 100644
--- a/doc/design/images/graph_construction_example.dot
+++ b/doc/design/images/graph_construction_example.dot
@@ -13,7 +13,7 @@ digraph ImageClassificationGraph {
         cost [label="cost", color=blue, shape=oval];
 
         FeedX -> x -> FC -> y -> MSE -> cost [color=blue];
-        FeedY -> l -> FC [color=blue];
+        FeedY -> l [color=blue];
         W -> FC [color=blue];
         b -> FC [color=blue];
         l -> MSE [color=blue];
diff --git a/doc/design/images/graph_construction_example_all.png b/doc/design/images/graph_construction_example_all.png
index 3ee61f9ef4544da786480f188403742d48a1d9e3..d769d70af759873802144f0dd0ddad21976a22eb 100644
Binary files a/doc/design/images/graph_construction_example_all.png and b/doc/design/images/graph_construction_example_all.png differ
diff --git a/doc/design/images/graph_construction_example_forward_backward.png b/doc/design/images/graph_construction_example_forward_backward.png
index f01af6d0cb542194d515129488b1159bd180f1b9..266f49d747f1278a606403f95fe8f9c815f3159e 100644
Binary files a/doc/design/images/graph_construction_example_forward_backward.png and b/doc/design/images/graph_construction_example_forward_backward.png differ
diff --git a/doc/design/images/graph_construction_example_forward_only.png b/doc/design/images/graph_construction_example_forward_only.png
index 2a90f9cfb10ece1e8f6b231c63ee8ee8bc37263d..eb1a22da72e1d9aa7abddad1b70e1da995ebda67 100644
Binary files a/doc/design/images/graph_construction_example_forward_only.png and b/doc/design/images/graph_construction_example_forward_only.png differ