Provide a link.
@@ -45,7 +45,7 @@ Format | Description
Using the `--where WHERE_COLUMN_NAME` and `--in WHERE_VALUES...` options, you
can restrict the count to records where the value in a specified column
matches a list of specified values. More sophisticated filtering can be
-obtained by running `kgtk filter` to provide the input to `kgtk unique`.
+obtained by running [`kgtk filter`](https://../filter) to provide the input to `kgtk unique`.
### Processing Large Files
