diff --git a/cmuratori/hero/code/code442.hmml b/cmuratori/hero/code/code442.hmml
index 1fb60d0..36c622d 100644
--- a/cmuratori/hero/code/code442.hmml
+++ b/cmuratori/hero/code/code442.hmml
@@ -58,7 +58,7 @@
 [2:01:21][@vateferfout][Q: Will sprites be simply flat-lighted, or do you plan to implement something to give them some kind of fake 3D :lighting?][:rendering]
 [2:01:36][@lucid_frost][Q: How similar is this :lighting model to something you would find in other game engines?[ref
     author="Sam Martin (Geomerics) and Per Einarsson (DICE)"
-    title="A Real-Time Radiosity Architecture for Video Game"
+    title="A Real-Time Radiosity Architecture for Video Games"
     url="http://advances.realtimerendering.com/s2010/Martin-Einarsson-RadiosityArchitecture(SIGGRAPH%202010%20Advanced%20RealTime%20Rendering%20Course).pdf"]][:rendering]
 [2:04:35][@internal_static_void_][Q: Why use Nsight in the application for graphics debugging when you already use Visual Studio for CPU code debugging? Why not just use Nsight in Visual Studio?]
 [2:05:57][@internal_static_void_][Q: Have you considered baking shadows?][:lighting :rendering]