diff --git a/docs/advanced/skills.mdx b/docs/advanced/skills.mdx
index 38aacd00..8d9ced96 100644
--- a/docs/advanced/skills.mdx
+++ b/docs/advanced/skills.mdx
@@ -81,6 +81,14 @@ Protocol-specific testing techniques.
 | --------- | ------------------------------------------------ |
 | `graphql` | GraphQL introspection, batching, resolver issues |
 
+### Reconnaissance
+
+Passive discovery and attack-surface mapping techniques.
+
+| Skill             | Coverage                                                        |
+| ----------------- | --------------------------------------------------------------- |
+| `asset_discovery` | CT, TLS SAN pivoting, passive DNS, and ASN/IP asset enumeration |
+
 ### Tooling
 
 Sandbox CLI playbooks for core recon and scanning tools.