Merge pull request #324 from rrauenza/main

add mention to what formats min-age supports

Author: stepchowfun

README.md

@@ -62,6 +62,8 @@ OPTIONS:
 
 The `--threshold` flag accepts [multiple representations](https://docs.rs/byte-unit/4.0.12/byte_unit/struct.Byte.html#examples-2), like `10 GB`, `10 GiB`, or `10GB`. On Linux, percentage-based thresholds like `50%` are also supported.
 
+The `--min-age` flag accepts [multiple representations](https://docs.rs/parse_duration/2.1.1/parse_duration/), such as `4 days` or `1 hour`.
+
 You can change the log verbosity by setting an environment variable named `LOG_LEVEL` to one of `trace`, `debug`, `info`, `warning`, or `error`. The default is `debug`.
 
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