diff --git a/core/modules/statistics/config/statistics.schema.yml b/core/modules/statistics/config/statistics.schema.yml
index 0eff54b..a4204f2 100644
--- a/core/modules/statistics/config/statistics.schema.yml
+++ b/core/modules/statistics/config/statistics.schema.yml
@@ -14,13 +14,13 @@ statistics.settings:
       type: integer
     "block":
       type: mapping
-       mapping:
-        "popular":
-          type: mapping
-          mapping:
-            "top_day_limit":
-              type: integer
-            "top_all_limit":
-              type: integer
-            "top_recent_limit":
-              type: integer
+        mapping:
+          "popular":
+            type: mapping
+            mapping:
+              "top_day_limit":
+                type: integer
+              "top_all_limit":
+                type: integer
+              "top_recent_limit":
+                type: integer