diff --git a/course-definition.yml b/course-definition.yml
index e646f85..522a1f6 100644
--- a/course-definition.yml
+++ b/course-definition.yml
@@ -11,7 +11,7 @@ description_md: |-
   Your shell will run a REPL, parse commands, spawn processes, and more.
 short_description_md: |-
   Learn about parsing shell commands, executing programs and more
-concept_slugs: ["what-is-a-shell-prompt"]
+concept_slugs: ["what-is-a-shell-prompt", "what-are-builtin-commands"]
 
 completion_percentage: 20
 
@@ -177,18 +177,30 @@ stages:
       In this stage, you'll implement a REPL (Read-Eval-Print Loop) for your shell.
 
   - slug: "pn5"
+    concept_slugs:
+      [
+        "what-are-builtin-commands",
+      ]
     name: "Implement exit"
     difficulty: easy
     marketing_md: |-
       In this stage, you'll implement the `exit` builtin command.
 
   - slug: "iz3"
+    concept_slugs:
+      [
+        "what-are-builtin-commands",
+      ]
     name: "Implement echo"
     difficulty: medium
     marketing_md: |-
       In this stage, you'll implement the `echo` builtin command.
 
   - slug: "ez5"
+    concept_slugs:
+      [
+        "what-are-builtin-commands",
+      ]
     name: "Implement type"
     difficulty: medium
     marketing_md: |-