diff --git a/README.md b/README.md
index 6dfe3ac..7f0ee79 100644
--- a/README.md
+++ b/README.md
@@ -376,7 +376,7 @@ There are many optional parameters relating to the ingestion of data and the gen
 | ------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------------------------------- | ------------- |
 | `READSB_NET_API_PORT`                 | <https://github.com/wiedehopf/readsb/blob/dev/README-json.md#--net-api-port-query-formats>                                                                                                                                                                                     | `--net-api-port=<ports>`                | `30152`       |
 | `READSB_ENABLE_API`                   | Adds nginx proxies api at /re-api. Use with extraargs --write-json-globe-index --tar1090-use-api to get fast map with many planes | various | disabled |
-| `READSB_NET_BEAST_REDUCE_INTERVAL`    | BeastReduce position update interval, longer means less data (valid range: `0.000` - `14.999`)                                                                                                                                                                                 | `--net-beast-reduce-interval=<seconds>` | `1.0`         |
+| `READSB_NET_BEAST_REDUCE_INTERVAL`    | BeastReduce position update interval, longer means less data (valid range: `0.000` - `14.999`)                                                                                                                                                                                 | `--net-beast-reduce-interval=<seconds>` | `0.5`         |
 | `READSB_NET_BEAST_REDUCE_FILTER_DIST` | Restrict beast-reduce output to aircraft in a radius of X nmi                                                                                                                                                                                                                  | `--net-beast-reduce-filter-dist=<nmi>`  | Unset         |
 | `READSB_NET_BEAST_REDUCE_FILTER_ALT`  | Restrict beast-reduce output to aircraft below X ft                                                                                                                                                                                                                            | `--net-beast-reduce-filter-alt=<ft>`    | Unset         |
 | `READSB_NET_BR_OPTIMIZE_FOR_MLAT`     | BeastReduce: Keep messages relevant to mlat-client                                                                                                                                                                                                                             | `--net-beast-reduce-optimize-for-mlat`  | Unset         |
diff --git a/rootfs/scripts/interpret_ultrafeeder_config b/rootfs/scripts/interpret_ultrafeeder_config
index 1ea517a..00f09a8 100755
--- a/rootfs/scripts/interpret_ultrafeeder_config
+++ b/rootfs/scripts/interpret_ultrafeeder_config
@@ -1,4 +1,4 @@
-#!/usr/bin/with-contenv bash
+#!/command/with-contenv bash
 
 # shellcheck shell=bash disable=SC2015,SC2154
 #