diff --git a/source/tutorial/rotate-log-files.txt b/source/tutorial/rotate-log-files.txt
index 6f800d812c2..782aef6c502 100644
--- a/source/tutorial/rotate-log-files.txt
+++ b/source/tutorial/rotate-log-files.txt
@@ -12,7 +12,7 @@ Specifically, log rotation renames the current log file by appending
 the filename with a timestamp, [#timestamp-format]_ opens a new log
 file, and finally closes the old log. MongoDB will only rotate logs,
 when you use the :dbcommand:`logRotate` command, or issue the process
-a ``SIGURS1`` signal as described in this procedure.
+a ``SIGUSR1`` signal as described in this procedure.
 
 .. seealso:: For information on logging, see the
    :ref:`monitoring-standard-loggging` section.