diff --git a/rest-api-spec/test/indices.validate_query/10_basic.yaml b/rest-api-spec/test/indices.validate_query/10_basic.yaml
index 2a9ed19221f..39afa47f25d 100644
--- a/rest-api-spec/test/indices.validate_query/10_basic.yaml
+++ b/rest-api-spec/test/indices.validate_query/10_basic.yaml
@@ -32,5 +32,5 @@
   - is_true: valid
   - match: {_shards.failed: 0}
   - match: {explanations.0.index: 'testing'}
-  - match: {explanations.0.explanation: '*:*'}
+  - match: {explanations.0.explanation: 'ConstantScore(*:*)'}