AP_Logger: Ensure that the units are specified accurately

Author: muramura

libraries/AP_Logger/AP_Logger.cpp

@@ -101,9 +101,9 @@ const AP_Param::GroupInfo AP_Logger::var_info[] = {
     AP_GROUPINFO("_BACKEND_TYPE",  0, AP_Logger, _params.backend_types,       uint8_t(HAL_LOGGING_BACKENDS_DEFAULT)),
 
     // @Param: _FILE_BUFSIZE
-    // @DisplayName: Logging File and Block Backend buffer size max (in kilobytes)
+    // @DisplayName: Logging File and Block Backend buffer size max (in kibibytes)
     // @Description: The File and Block backends use a buffer to store data before writing to the block device.  Raising this value may reduce "gaps" in your SD card logging but increases memory usage.  This buffer size may be reduced to free up available memory
-    // @Units: kB
+    // @Units: KiB
     // @Range: 4 200
     // @User: Standard
     AP_GROUPINFO("_FILE_BUFSIZE",  1, AP_Logger, _params.file_bufsize,       HAL_LOGGING_FILE_BUFSIZE),