diff --git a/docs/usage/command-line.md b/docs/usage/command-line.md
index 1cfe6b11..a07c5de4 100644
--- a/docs/usage/command-line.md
+++ b/docs/usage/command-line.md
@@ -41,7 +41,7 @@ Following environment variables can also be used in place:
 | `CONFIG`           |               | Diun configuration file |
 | `PROFILER_PATH`    |               | Base path where profiling files are written |
 | `PROFILER`         |               | [Profiler](../faq.md#profiling) to use |
-| `LOG_LEVEL`        | `info`        | Log level output |
+| `LOG_LEVEL`        | `info`        | One of `panic`, `fatal`, `error`, `warn`, `info`, `debug` or `trace` |
 | `LOG_JSON`         | `false`       | Enable JSON logging output |
 | `LOG_CALLER`       | `false`       | Enable to add `file:line` of the caller |
 | `LOG_NOCOLOR`      | `false`       | Disables the colorized output |