diff --git a/docs/ingestion/data-formats.md b/docs/ingestion/data-formats.md
index 557060a5e66..e65af91cd45 100644
--- a/docs/ingestion/data-formats.md
+++ b/docs/ingestion/data-formats.md
@@ -652,7 +652,7 @@ Each entry in the `fields` list can have the following components:
 - Enabling `useFieldDiscovery` will only automatically detect "simple" fields at the root level that correspond to data types that Druid supports. This includes strings, numbers, and lists of strings or numbers. Other types will not be automatically detected, and must be specified explicitly in the `fields` list.
 - Duplicate field `name`s are not allowed. An exception will be thrown.
 - If `useFieldDiscovery` is enabled, any discovered field with the same name as one already defined in the `fields` list will be skipped, rather than added twice.
-- [http://jsonpath.herokuapp.com/](http://jsonpath.herokuapp.com/) is useful for testing `path`-type expressions.
+- [https://jsonpath.com/](https://jsonpath.com/) is useful for testing `path`-type expressions.
 - jackson-jq supports a subset of the full [jq](https://stedolan.github.io/jq/) syntax.  Please refer to the [jackson-jq documentation](https://github.com/eiiches/jackson-jq) for details.
 - [JsonPath](https://github.com/jayway/JsonPath) supports a bunch of functions, but not all of these functions are supported by Druid now. Following matrix shows the current supported JsonPath functions and corresponding data formats. Please also note the output data type of these functions.