docs: fix typo in trigger name

Author: casperr0

mamonsu/plugins/pgsql/xlog.py

@@ -83,7 +83,7 @@ def graphs(self, template):
 
     def triggers(self, template):
         return template.trigger({
-            'name': 'PostgreSQL streaming lag to high '
+            'name': 'PostgreSQL streaming lag too high '
                     'on {HOSTNAME} (value={ITEM.LASTVALUE})',
             'expression': '{#TEMPLATE:' + self.right_type(self.key_replication, "sec") + '.last()}>' +
             self.plugin_config('lag_more_then_in_sec')