Fixed typo with timezone (#42)

bhhaskin · web-flow · commit 15c01503f0da · 2021-04-01T11:41:53.000+02:00
There was a typo with timezone. It was century() instead of timezone().
diff --git a/docs/formatters/date-and-time.md b/docs/formatters/date-and-time.md
@@ -290,7 +290,7 @@ echo $faker->century();
 Generate a random timezone name.
 
 ```php
-echo $faker->century();
+echo $faker->timezone();
 
 // 'Europe/Amsterdam', 'America/Montreal'
 ```
