diff --git a/data/snake-easy-6502.asm b/data/snake-easy-6502.asm
index 345f830..508c671 100644
--- a/data/snake-easy-6502.asm
+++ b/data/snake-easy-6502.asm
@@ -4,15 +4,18 @@
 
 
 init:
+  ; initializes values
 
   RTS
 
 
 loop:
+  ; primary game loop
 
   RTS
 
 
 initSnake:
+  ; initializes the snake
 
   RTS
diff --git a/firepower-core/src/main/scala/com/htmlism/firepower/core/MetaIntent.scala b/firepower-core/src/main/scala/com/htmlism/firepower/core/MetaIntent.scala
index 8e1535e..ec01c50 100644
--- a/firepower-core/src/main/scala/com/htmlism/firepower/core/MetaIntent.scala
+++ b/firepower-core/src/main/scala/com/htmlism/firepower/core/MetaIntent.scala
@@ -10,7 +10,7 @@ import com.htmlism.firepower.core.*
 sealed trait MetaIntent
 
 object MetaIntent:
-  case class Jump(target: String, xs: () => List[MetaIntent.Jump]) extends MetaIntent
+  case class Jump(target: String, description: String, xs: () => List[MetaIntent.Jump]) extends MetaIntent
 
   object Jump:
     def toIntent(j: Jump): AsmBlock.Intent =
diff --git a/firepower-core/src/main/scala/com/htmlism/firepower/core/Subroutine.scala b/firepower-core/src/main/scala/com/htmlism/firepower/core/Subroutine.scala
index 5a87526..e9127f9 100644
--- a/firepower-core/src/main/scala/com/htmlism/firepower/core/Subroutine.scala
+++ b/firepower-core/src/main/scala/com/htmlism/firepower/core/Subroutine.scala
@@ -4,13 +4,13 @@ import cats.syntax.all.*
 
 import com.htmlism.firepower.core.AsmBlock._
 
-case class Subroutine(name: String, intents: List[MetaIntent.Jump]):
+case class Subroutine(name: String, description: String, intents: List[MetaIntent.Jump]):
   def call: MetaIntent.Jump =
-    MetaIntent.Jump(name, () => intents)
+    MetaIntent.Jump(name, description, () => intents)
 
   def attach: NamedCodeBlock =
     NamedCodeBlock(name, "this is a named block".some, intents.map(_ => Intent("TODO".some, Nil)))
 
 object Subroutine:
-  def apply(name: String): Subroutine =
-    Subroutine(name, Nil)
+  def apply(name: String, description: String): Subroutine =
+    Subroutine(name, description, Nil)
diff --git a/firepower-demo/src/main/scala/com/htmlism/firepower/demo/SnakeEasy6502.scala b/firepower-demo/src/main/scala/com/htmlism/firepower/demo/SnakeEasy6502.scala
index efb5352..02a8e13 100644
--- a/firepower-demo/src/main/scala/com/htmlism/firepower/demo/SnakeEasy6502.scala
+++ b/firepower-demo/src/main/scala/com/htmlism/firepower/demo/SnakeEasy6502.scala
@@ -4,6 +4,8 @@ import scala.annotation.tailrec
 import scala.collection.immutable.ListMap
 import scala.util.chaining.*
 
+import cats.syntax.all._
+
 import com.htmlism.firepower.core.AsmBlock.Intent
 import com.htmlism.firepower.core.*
 
@@ -15,7 +17,7 @@ object SnakeEasy6502:
     )
 
   lazy val init =
-    Subroutine("init")
+    Subroutine("init", "initializes values")
       .copy(intents =
         List(
           initSnake.call
@@ -23,10 +25,10 @@ object SnakeEasy6502:
       )
 
   lazy val loop =
-    Subroutine("loop")
+    Subroutine("loop", "primary game loop")
 
   lazy val initSnake =
-    Subroutine("initSnake")
+    Subroutine("initSnake", "initializes the snake")
 
   def firstCodeBlock(xs: List[MetaIntent.Jump]): AsmBlock.AnonymousCodeBlock =
     AsmBlock
@@ -49,7 +51,7 @@ object SnakeEasy6502:
           val sub =
             AsmBlock.NamedCodeBlock(
               head.target,
-              None,
+              head.description.some,
               List(
                 AsmBlock.Intent(
                   None,