diff --git a/pkg/mining/circuit_breaker.go b/pkg/mining/circuit_breaker.go
index 2035954..9748752 100644
--- a/pkg/mining/circuit_breaker.go
+++ b/pkg/mining/circuit_breaker.go
@@ -42,8 +42,8 @@ type CircuitBreakerConfig struct {
 	SuccessThreshold int
 }
 
-// cfg := DefaultCircuitBreakerConfig()
-// cb := NewCircuitBreaker("github-api", cfg)
+// configuration := DefaultCircuitBreakerConfig()
+// cb := NewCircuitBreaker("github-api", configuration)
 func DefaultCircuitBreakerConfig() CircuitBreakerConfig {
 	return CircuitBreakerConfig{
 		FailureThreshold: 3,