appender: fix typo

Author: cfilipescu

tracing-appender/src/rolling/builder.rs

@@ -43,13 +43,13 @@ impl Builder {
     /// | [`filename_prefix`] | `""` | By default, log file names will not have a prefix. |
     /// | [`filename_suffix`] | `""` | By default, log file names will not have a suffix. |
     /// | [`max_log_files`] | `None` | By default, there is no limit for maximum log file count. |
-    /// | [`max_files_size`] | `None` | By default, there is no limit for maximum log file size. |
+    /// | [`max_file_size`] | `None` | By default, there is no limit for maximum log file size. |
     ///
     /// [`rotation`]: Self::rotation
     /// [`filename_prefix`]: Self::filename_prefix
     /// [`filename_suffix`]: Self::filename_suffix
     /// [`max_log_files`]: Self::max_log_files
-    /// ['max_files_size`]: Self::max_files_size
+    /// ['max_file_size`]: Self::max_file_size
     #[must_use]
     pub const fn new() -> Self {
         Self {