diff --git a/doc/architecture.md b/doc/architecture.md
index e47ea99b..79b39b1d 100644
--- a/doc/architecture.md
+++ b/doc/architecture.md
@@ -32,7 +32,7 @@ Across all paths in parallel:
#### Cull
-Sequentially (TODO: in parallel):
+Sequentially (TODO: in parallel):
* Cull tiles occluded by solid-color tiles.
@@ -65,10 +65,3 @@ In parallel:
* Shade tiles back-to-front using the alpha mask generated during the fill step.
Approximate GPU time: 2.3 ms.
-
-