DEV: Fix typo in site setting description (#252)

change permantly to permanently

config/locales/client.en.yml

@@ -22,7 +22,7 @@ en:
     discourse_subscriptions_campaign_show_contributors: Show avatars of the most recent purchases of subscription products.
     discourse_subscriptions_campaign_product: The Stripe product id to send supporters when they click the button on the campaign. If this setting is blank, supporters will be directed to the main products page.
     discourse_subscriptions_enable_automatic_tax: Enables automatic tax calculation which will automatically compute tax rates on all invoices generated by the subscription.
-    discourse_subscriptions_enable_verbose_logging: Enables more verbose logging to aid in debugging. Please do not leave permantly enabled in production.
+    discourse_subscriptions_enable_verbose_logging: Enables more verbose logging to aid in debugging. Please do not leave permanently enabled in production.
 
     errors:
       discourse_patrons_amount_must_be_currency: "Currency amounts must be currencies without dollar symbol (eg 1.50)"