Fix logging value in metrics controller. (#219)

diff --git a/controllers/solrprometheusexporter_controller.go b/controllers/solrprometheusexporter_controller.go
index 29b1ca3..8a7df8d 100644
--- a/controllers/solrprometheusexporter_controller.go
+++ b/controllers/solrprometheusexporter_controller.go
@@ -216,7 +216,7 @@
 
 	ready := false
 	// Check if the Metrics Deployment already exists
-	deploymentLogger := logger.WithValues("service", metricsService.Name)
+	deploymentLogger := logger.WithValues("deployment", deploy.Name)
 	foundDeploy := &appsv1.Deployment{}
 	err = r.Get(context.TODO(), types.NamespacedName{Name: deploy.Name, Namespace: deploy.Namespace}, foundDeploy)
 	if err != nil && errors.IsNotFound(err) {