diff --git a/README.md b/README.md
index aa90c21..7a861a0 100644
--- a/README.md
+++ b/README.md
@@ -19,8 +19,9 @@
 import dbmysql "code.nochebuena.dev/einherjar/db-mysql"
 
 db := dbmysql.New(logger, dbmysql.DefaultConfig())
-launcher.Append(db)   // OnInit opens pool; OnStop closes it
-health.Register(db)   // PING health check; LevelCritical
+lc.Append(db)   // OnInit opens pool; OnStop closes it
+// db is observability.Checkable (PING health check, LevelCritical):
+srv.Get("/health", health.NewHandler(logger, db).ServeHTTP)
 ```
 
 ### Querying
diff --git a/doc.go b/doc.go
index d6f7591..b13fb76 100644
--- a/doc.go
+++ b/doc.go
@@ -14,8 +14,12 @@
 // # Lifecycle Registration
 //
 //	db := mysql.New(logger, cfg)
-//	launcher.Register(db)
-//	health.Register(db)
+//	lc.Append(db) // lifecycle: OnInit → OnStart → OnStop
+//
+// db satisfies [observability.Checkable], so it can back a health endpoint via
+// web/health.NewHandler:
+//
+//	srv.Get("/health", health.NewHandler(logger, db).ServeHTTP)
 //
 // # Querying
 //