Update json-map-filter.md

Author: soyeric128

docs/en/sql-reference/20-sql-functions/10-semi-structured-functions/json-map-filter.md

@@ -19,7 +19,7 @@ Returns a JSON object with only the key-value pairs that satisfy the specified c
 
 ## Examples
 
-This example extracts only the `"status": "active"` key-value pair from the JSON object, filtering out the other fields. 
+This example extracts only the `"status": "active"` key-value pair from the JSON object, filtering out the other fields:
 
 ```sql
 SELECT JSON_MAP_FILTER('{"status":"active", "user":"admin", "time":"2024-11-01"}'::VARIANT, (k, v) -> k = 'status') AS filtered_metadata;