--- a/doc/src/sgml/ref/create_index.sgml
+++ b/doc/src/sgml/ref/create_index.sgml
@@ -808,7 +808,7 @@ Indexes:
     leveraging multiple CPUs in order to process the table rows faster.
     This feature is known as <firstterm>parallel index
     build</firstterm>.  For index methods that support building indexes
-   in parallel (currently, only B-tree),
+   in parallel (currently, B-tree and BRIN),
     <varname>maintenance_work_mem</varname> specifies the maximum
     amount of memory that can be used by each index build operation as
     a whole, regardless of how many worker processes were started.