diff --git a/solr/solr-ref-guide/src/statistical-programming.adoc b/solr/solr-ref-guide/src/statistical-programming.adoc
index a0ebc559b71..9a91ba2f253 100644
--- a/solr/solr-ref-guide/src/statistical-programming.adoc
+++ b/solr/solr-ref-guide/src/statistical-programming.adoc
@@ -650,8 +650,8 @@ comparing room rates from lowest to highest in both markets.
 let(cityA=sort(random(bookings, q="city:cityA", rows="1000", fl="rate_d"), by="rate_d asc"),
     cityB=sort(random(bookings, q="city:cityB", rows="1000", fl="rate_d"), by="rate_d asc"),
     cityC=sort(random(bookings, q="city:cityC", rows="1000", fl="rate_d"), by="rate_d asc"),
-    city4=sort(random(bookings, q="city:cityD", rows="1000", fl="rate_d"), by="rate_d asc"),
-    city5=sort(random(bookings, q="city:cityE", rows="1000", fl="rate_d"), by="rate_d asc"),
+    cityD=sort(random(bookings, q="city:cityD", rows="1000", fl="rate_d"), by="rate_d asc"),
+    cityE=sort(random(bookings, q="city:cityE", rows="1000", fl="rate_d"), by="rate_d asc"),
     ratesA=col(cityA, rate_d),
     ratesB=col(cityB, rate_d),
     ratesC=col(cityC, rate_d),