doc: fix typo miliseconds -> milliseconds

PR-URL: #865
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

doc/api/console.markdown

@@ -66,7 +66,7 @@ Defaults to `false`. Colors are customizable, see below.
 
 Used to calculate the duration of a specific operation. To start a timer, call
 the `console.time()` method, giving it a name as only parameter. To stop the
-timer, and to get the elapsed time in miliseconds, just call the
+timer, and to get the elapsed time in milliseconds, just call the
 [`console.timeEnd()`](#console_console_timeend_label) method, again passing the
 timer's name as the parameter.