chore(docs): updated file appender docs

lamweili · lamweili · commit d894f573058d · 2022-03-08T17:25:39.000+08:00
diff --git a/docs/file.md b/docs/file.md
@@ -6,8 +6,8 @@ The file appender writes log events to a file. It supports an optional maximum f
 
 * `type` - `"file"`
 * `filename` - `string` - the path of the file where you want your logs written.
-* `maxLogSize` - `integer` (optional) - the maximum size (in bytes) for the log file. If not specified, then no log rolling will happen.
-* `backups` - `integer` (optional, default to 5) - the number of old log files to keep during log rolling.
+* `maxLogSize` - `integer` (optional, defaults to MAX_SAFE_INTEGER) - the maximum size (in bytes) for the log file.
+* `backups` - `integer` (optional, defaults to 5) - the number of old log files to keep during log rolling.
 * `layout` - (optional, defaults to basic layout) - see [layouts](layouts.md)
 
 Any other configuration parameters will be passed to the underlying [streamroller](https://github.com/nomiddlename/streamroller) implementation (see also node.js core file streams):
