Fix option

hhamon · hhamon · commit 5ec9159cd32a · 2019-04-06T17:49:54.000+02:00
diff --git a/reference/constraints/Timezone.rst b/reference/constraints/Timezone.rst
@@ -126,7 +126,7 @@ The special ``\DateTimeZone::ALL`` zone accepts any timezone excluding deprecate
 The special ``\DateTimeZone::ALL_WITH_BC`` zone accepts any timezone including deprecated timezones.
 
 The special ``\DateTimeZone::PER_COUNTRY`` zone limits the timezones to a certain country. This zone
-value must be used in combination with the ``country_code`` option.
+value must be used in combination with the ``countryCode`` option.
 
 countryCode
 ~~~~~~~~~~~
