diff --git a/android/testing.go b/android/testing.go
index ef5e5a9..2b44225 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -1037,7 +1037,7 @@
 		}
 	}
 	if !found {
-		t.Errorf("missing the expected error %q (checked %d error(s))", pattern, len(errs))
+		t.Errorf("could not match the expected error regex %q (checked %d error(s))", pattern, len(errs))
 		for i, err := range errs {
 			t.Errorf("errs[%d] = %q", i, err)
 		}