diff --git a/scenes/shape-definitions.fart b/scenes/shape-definitions.fart
index 9b1c354..0cd0c1a 100644
--- a/scenes/shape-definitions.fart
+++ b/scenes/shape-definitions.fart
@@ -24,6 +24,7 @@ scene
         }
     }
 
+    # define a reusable Die type
     define shape Die subtract
     {
         union
@@ -134,6 +135,7 @@ scene
         }
     }
 
+    # Define an individual stack of dies
     define shape DieStack union
     {
         translate <0, 0, 1.5> { scale 3 { shape Die } }
@@ -141,6 +143,7 @@ scene
         translate <0, 0, 5.5> { rotate 90, <0, 1, 0> { shape Die } }
     }
 
+    # Instantiate various DieStack objects
     translate <-5, 0, 0> { shape DieStack }
     translate <5, 0, 0> { rotate 90, <0, 0, 1> { shape DieStack } }
     translate <0, 5, 0> { rotate 180, <0, 0, 1> { shape DieStack } }
diff --git a/vim/syntax/fart.vim b/vim/syntax/fart.vim
index a11fdb5..a835a17 100644
--- a/vim/syntax/fart.vim
+++ b/vim/syntax/fart.vim
@@ -13,9 +13,11 @@ syn case match
 syn keyword fartKeywords ambient ambient_occlusion color define diffuse exposure height jitter look_at material max_depth multisample ngon offset polygon position radius reflectance rotate scale shininess size specular translate transparency union up vfov width
 syn keyword fartObjects box camera cyl extrude intersect light options plane scene shape sphere subtract union
 syn match fartNumber "\(^\|\W\)\@<=[+-]\=\(\d\+\)\=\.\=\d\+\([eE][+-]\=\d\+\)\="
+syn match fartComment "#.*"
 
 hi def link fartKeywords    Operator
 hi def link fartObjects     Type
 hi def link fartNumber      Number
+hi def link fartComment     Comment
 
 let b:current_syntax = "fart"