Apply suggestions from code review

Author: NickLarsenNZ

CHANGELOG.md

@@ -8,7 +8,7 @@ All notable changes to this project will be documented in this file.
 
 - Adds new telemetry CLI arguments and environment variables ([#349]).
   - Use `--file-log-max-files` (or `FILE_LOG_MAX_FILES`) to limit the number of log files kept.
-  - The file log rotation period is now configurable via `FILE_LOG_ROTATION_PERIOD`.
+  - Use `--file-log-rotation-period` (or `FILE_LOG_ROTATION_PERIOD`) to configure the frequency of rotation.
   - Use `--console-log-format` (or `CONSOLE_LOG_FORMAT`) to set the format to `plain` (default) or `json`.
 
 ### Changed