diff --git a/cmuratori/hero/code/code415.hmml b/cmuratori/hero/code/code415.hmml
index f61db57..31b43e4 100644
--- a/cmuratori/hero/code/code415.hmml
+++ b/cmuratori/hero/code/code415.hmml
@@ -21,7 +21,7 @@
     url="https://www.khronos.org/files/opengl-quick-reference-card.pdf"]][:hardware :lighting :rendering]
 [50:22][Introduce SumLight() based on SumVoxelLight()][:hardware :lighting :rendering]
 [54:35][:Run the game and note that we're still fine][:lighting :rendering]
-[54:50][Describe structured art, as introduced to [@cmuratori Casey] by Mike Biddlecombe][:art :"debug visualisation" :rendering :speech]
+[54:50][Describe structured :art, as introduced to [@cmuratori Casey] by Mike Biddlecombe][:"debug visualisation" :rendering :speech]
 [57:03][Set up the :rendering pipeline to enable CompileZBiasProgram() to display Red, Green, Blue and White on the corners of each quad][:"debug visualisation" :rendering]
 [1:06:48][:Run the game and note that we may have a bug][:lighting :rendering]
 [1:08:25][Make CompileZBiasProgram() set the FragLightIndex and FragLightCount][:hardware :lighting :rendering]
diff --git a/cmuratori/hero/code/code416.hmml b/cmuratori/hero/code/code416.hmml
index ce69d75..42d58f7 100644
--- a/cmuratori/hero/code/code416.hmml
+++ b/cmuratori/hero/code/code416.hmml
@@ -5,7 +5,7 @@
     site=docs.GL
     page=glVertexAttribPointer
     url=http://docs.gl/gl3/glVertexAttribPointer]][:hardware :rendering]
-[5:22][Run the game to see our correctly coloured scene, and thank @seventh_chord for the suggestion][:run :lighting :rendering]
+[5:22][:Run the game to see our correctly coloured scene, and thank @seventh_chord for the suggestion][:lighting :rendering]
 [6:52][Try to make VertLightIndex, VertLightCount, FragLightIndex and FragLightCount regular signed ints][:hardware :lighting :rendering]
 [7:52][:Run the game to see the exact same results][:"debug visualisation" :lighting :rendering]
 [8:11][Let SumLight() loop over the whole LightCount and call SumLight()][:hardware :lighting :rendering]