diff --git a/plugins/jsontools/README.md b/plugins/jsontools/README.md
index 6a2740014..d92608806 100644
--- a/plugins/jsontools/README.md
+++ b/plugins/jsontools/README.md
@@ -19,7 +19,7 @@ Usage is simple... just take your json data and pipe it into the appropriate jso
 
 ### Supports NDJSON (Newline Delimited JSON)
 
-The plugin also supports [NDJSON](http://ndjson.org/) input, which means all functions
+The plugin also supports [NDJSON](https://github.com/ndjson/ndjson-spec) input, which means all functions
 have an alternative function that reads and processes the input line by line. These
 functions have the same name except using `ndjson` instead of `json`: