Fixed typo.
diff --git a/elasticsearch/common/src/main/java/org/apache/metamodel/elasticsearch/common/ElasticSearchUtils.java b/elasticsearch/common/src/main/java/org/apache/metamodel/elasticsearch/common/ElasticSearchUtils.java
index 57ca7a1..f5c70e8 100644
--- a/elasticsearch/common/src/main/java/org/apache/metamodel/elasticsearch/common/ElasticSearchUtils.java
+++ b/elasticsearch/common/src/main/java/org/apache/metamodel/elasticsearch/common/ElasticSearchUtils.java
@@ -293,7 +293,7 @@
} else if (column.getType() == ColumnType.MAP && value == null) {
// Because of a bug in Elasticsearch, when field names contain dots, it's possible that the
// mapping of the index described a column to be of the type "MAP", while it's based on a number
- // of fields contains dots in their name. In this case we may have to work around that
+ // of fields containing dots in their name. In this case we may have to work around that
// inconsistency by creating column names with dots ourselves, based on the schema.
final Map<String, Object> valueMap = new HashMap<>();