diff --git a/controllers/utils_test.go b/controllers/utils_test.go
index 1623c5afb..685f46f2a 100644
--- a/controllers/utils_test.go
+++ b/controllers/utils_test.go
@@ -14,7 +14,7 @@ The Service "webhook-receiver" is invalid: spec.clusterIP: Invalid value: "10.20
 	filtered = strings.TrimSpace(filtered)
 	numLines := len(strings.Split(filtered, "\n"))
 	if numLines != 1 {
-		t.Errorf("Should filter out all but one line from the error output, numLines %d", numLines)
+		t.Errorf("Should filter out all but one line from the error output, but got %d lines", numLines)
 	}
 }
 
@@ -27,6 +27,6 @@ error: error validating data: unknown field "ima  ge" in io.k8s.api.core.v1.Cont
 	filtered = strings.TrimSpace(filtered)
 	numLines := len(strings.Split(filtered, "\n"))
 	if numLines != 1 {
-		t.Errorf("Should filter out all but one line from the error output, numLines %d", numLines)
+		t.Errorf("Should filter out all but one line from the error output, but got %d lines", numLines)
 	}
 }