diff --git a/config.example.toml b/config.example.toml
index 6954440..7fed53e 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -57,6 +57,12 @@ db = 0
 # Cache TTL for search results (env: VALKEY_CACHE_TTL)
 default_ttl = "5m"
 
+[cache.ttl_overrides]
+# Per-engine TTL overrides (uncomment to use):
+# wikipedia = "48h"
+# reddit = "15m"
+# braveapi = "2h"
+
 [cors]
 # CORS configuration for browser-based clients.
 # Allowed origins: use "*" for all, or specific domains (env: CORS_ALLOWED_ORIGINS)