diff --git a/dev/env/manifests/external-secrets/application/00-application.yaml b/dev/env/manifests/external-secrets/application/00-application.yaml
index 931377fba7..90277c6cf4 100644
--- a/dev/env/manifests/external-secrets/application/00-application.yaml
+++ b/dev/env/manifests/external-secrets/application/00-application.yaml
@@ -28,16 +28,3 @@ spec:
     chart: external-secrets
     repoURL: https://charts.external-secrets.io
     targetRevision: "$EXTERNAL_SECRETS_VERSION"
-    helm:
-      valuesObject:
-        image:
-          repository: quay.io/app-sre/external-secrets
-          tag: "$EXTERNAL_SECRETS_VERSION"
-        webhook:
-          image:
-            repository: quay.io/app-sre/external-secrets
-            tag: "$EXTERNAL_SECRETS_VERSION"
-        certController:
-          image:
-            repository: quay.io/app-sre/external-secrets
-            tag: "$EXTERNAL_SECRETS_VERSION"
diff --git a/e2e/e2e_canary_upgrade_test.go b/e2e/e2e_canary_upgrade_test.go
index 103bc337b2..5755d9005f 100644
--- a/e2e/e2e_canary_upgrade_test.go
+++ b/e2e/e2e_canary_upgrade_test.go
@@ -397,7 +397,7 @@ func getDeploymentName(version string) string {
 
 func getOperatorDeployments(ctx context.Context) ([]appsv1.Deployment, error) {
 	deployments := appsv1.DeploymentList{}
-	labels := map[string]string{"app": "rhacs-operator"}
+	labels := map[string]string{"app.kubernetes.io/name": "rhacs-operator"}
 	err := k8sClient.List(ctx, &deployments,
 		ctrlClient.InNamespace("rhacs"),
 		ctrlClient.MatchingLabels(labels))
diff --git a/internal/central/pkg/handlers/central.go b/internal/central/pkg/handlers/central.go
index 07dd2db344..edf1d6fcde 100644
--- a/internal/central/pkg/handlers/central.go
+++ b/internal/central/pkg/handlers/central.go
@@ -127,7 +127,7 @@ func (h centralHandler) List(w http.ResponseWriter, r *http.Request) {
 			listArgs := coreServices.NewListArguments(r.URL.Query())
 
 			if err := listArgs.Validate(); err != nil {
-				return nil, errors.NewWithCause(errors.ErrorMalformedRequest, err, "Unable to list central requests: %s", err.Error())
+				return nil, errors.NewWithCause(errors.ErrorMalformedRequest, err, "Invalid search or filter parameters: %s", err.Error())
 			}
 
 			centralRequests, paging, err := h.service.List(ctx, listArgs)
diff --git a/internal/central/pkg/handlers/validation.go b/internal/central/pkg/handlers/validation.go
index 0e9de840ac..25d4b911a9 100644
--- a/internal/central/pkg/handlers/validation.go
+++ b/internal/central/pkg/handlers/validation.go
@@ -31,7 +31,7 @@ func ValidCentralClusterName(value *string, field string) handlers.Validate {
 			return errors.MalformedCentralClusterName("%s is invalid: %v", field, errs)
 		}
 		if !ValidCentralClusterNameRegexp.MatchString(*value) {
-			return errors.MalformedCentralClusterName("%s does not match %s", field, ValidCentralClusterNameRegexp.String())
+			return errors.MalformedCentralClusterName("%s must use lowercase letters, numbers, and hyphens only (max 32 characters)", field)
 		}
 		return nil
 	}
@@ -68,7 +68,7 @@ func ValidateCloudProvider(centralService *services.CentralService, centralReque
 		// Validation for Cloud Provider
 		provider, providerSupported := supportedProviders.GetByName(centralRequest.CloudProvider)
 		if !providerSupported {
-			return errors.ProviderNotSupported("provider %s is not supported, supported providers are: %s", centralRequest.CloudProvider, supportedProviders)
+			return errors.ProviderNotSupported("Cloud provider '%s' is not supported. Available providers: %s", centralRequest.CloudProvider, supportedProviders)
 		}
 
 		// Set Cloud Region default if not received in the request
@@ -80,14 +80,14 @@ func ValidateCloudProvider(centralService *services.CentralService, centralReque
 		// Validation for Cloud Region
 		regionSupported := provider.IsRegionSupported(centralRequest.Region)
 		if !regionSupported {
-			return errors.RegionNotSupported("region %s is not supported for %s, supported regions are: %s", centralRequest.Region, centralRequest.CloudProvider, provider.Regions)
+			return errors.RegionNotSupported("Region '%s' is not supported for %s. Available regions: %s", centralRequest.Region, centralRequest.CloudProvider, provider.Regions)
 		}
 
 		// Validate Region/InstanceType
 		instanceType := (*centralService).DetectInstanceType(centralRequest)
 		region, _ := provider.Regions.GetByName(centralRequest.Region)
 		if !region.IsInstanceTypeSupported(config.InstanceType(instanceType)) {
-			return errors.InstanceTypeNotSupported("instance type '%s' not supported for region '%s'", instanceType.String(), region.Name)
+			return errors.InstanceTypeNotSupported("Instance type '%s' is not supported in region '%s'", instanceType.String(), region.Name)
 		}
 		return nil
 	}
diff --git a/internal/central/pkg/handlers/validation_test.go b/internal/central/pkg/handlers/validation_test.go
index 5dc7f8103e..51cf6b65b1 100644
--- a/internal/central/pkg/handlers/validation_test.go
+++ b/internal/central/pkg/handlers/validation_test.go
@@ -275,7 +275,7 @@ func Test_Validation_validateCloudProvider(t *testing.T) {
 			},
 			want: result{
 				wantErr: true,
-				reason:  "region us-east is not supported for aws, supported regions are: [us-east-1]",
+				reason:  "Region 'us-east' is not supported for aws. Available regions: [us-east-1]",
 			},
 		},
 		{
@@ -308,7 +308,7 @@ func Test_Validation_validateCloudProvider(t *testing.T) {
 			},
 			want: result{
 				wantErr: true,
-				reason:  "instance type 'eval' not supported for region 'us-east'",
+				reason:  "Instance type 'eval' is not supported in region 'us-east'",
 			},
 		},
 	}