diff --git a/docs/en/query_language/agg_functions/reference.md b/docs/en/query_language/agg_functions/reference.md
index b8bd95d376d..d0dbc2dbac8 100644
--- a/docs/en/query_language/agg_functions/reference.md
+++ b/docs/en/query_language/agg_functions/reference.md
@@ -223,7 +223,7 @@ Computes the sum of the numbers, using the same data type for the result as for
 Only works for numbers.
 
 
-## sumMap(key, value)
+## sumMap(key, value) {#sumMap}
 
 Totals the 'value' array according to the keys specified in the 'key' array.
 The number of elements in 'key' and 'value' must be the same for each row that is totaled.