diff --git a/env.go b/env.go
index 3397a9b..20c274b 100644
--- a/env.go
+++ b/env.go
@@ -26,8 +26,9 @@ var ErrUnknownProvider = errors.New("unknown provider")
 // authenticated with the bearer token "test-token".
 type DSN struct {
 	// Scheme selects the provider implementation: "foreman", "ollama",
-	// "ollama-cloud", "openai", "kimi", "anthropic", "google"/"gemini", or
-	// any custom scheme registered with RegisterScheme.
+	// "ollama-cloud", "openai", "kimi", "qwen", "anthropic",
+	// "google"/"gemini", "llama-swap"/"llama-swaps", or any custom scheme
+	// registered with RegisterScheme.
 	Scheme string
 	// Token is the provider secret (bearer token or API key); empty = none.
 	Token string
@@ -41,7 +42,7 @@ type DSN struct {
 func (d DSN) BaseURL() string { return "https://" + d.Host }
 
 // envKeyForProvider returns the LLM_* variable that defines the provider named
-// name (LLM_M1 → "m1", so "my-prov" → LLM_MY_PROV).
+// name: "m1" → LLM_M1, "my-prov" → LLM_MY_PROV.
 //
 // This is the single definition on purpose. Two call sites need byte-identical
 // output and would drift apart in silence: lazy resolution reads this variable