diff --git a/airtime_mvc/application/Bootstrap.php b/airtime_mvc/application/Bootstrap.php
index f1e4cb675..646dc2282 100644
--- a/airtime_mvc/application/Bootstrap.php
+++ b/airtime_mvc/application/Bootstrap.php
@@ -11,6 +11,7 @@ require_once __DIR__."/configs/constants.php";
 require_once 'Preference.php';
 require_once 'Locale.php';
 require_once "DateHelper.php";
+require_once "LocaleHelper.php";
 require_once "OsPath.php";
 require_once "Database.php";
 require_once "Timezone.php";
diff --git a/airtime_mvc/application/controllers/LocaleController.php b/airtime_mvc/application/controllers/LocaleController.php
index 612598732..b40c5e748 100644
--- a/airtime_mvc/application/controllers/LocaleController.php
+++ b/airtime_mvc/application/controllers/LocaleController.php
@@ -2,6 +2,7 @@
 
 class LocaleController extends Zend_Controller_Action
 {
+
     public function init()
     {
     }
diff --git a/airtime_mvc/application/models/Locale.php b/airtime_mvc/application/models/Locale.php
index 2008591a8..e92d40800 100644
--- a/airtime_mvc/application/models/Locale.php
+++ b/airtime_mvc/application/models/Locale.php
@@ -2,6 +2,11 @@
 
 class Application_Model_Locale
 {
+    private static $domains = [
+        'airtime', 
+        'pro',
+    ];
+    
     public static $locales = array(
     	    "en_CA" => "English (Canada)",
             "en_GB" => "English (Britain)",
@@ -48,10 +53,14 @@ class Application_Model_Locale
             Logging::warn("Your system does not have the " . $lang . " locale installed. Run: sudo locale-gen " . $lang);
         }
         
-        $domain = 'airtime';
-        bindtextdomain($domain, '../locale');
-        textdomain($domain);
-        bind_textdomain_codeset($domain, $codeset);
+        // We need to run bindtextdomain and bind_textdomain_codeset for each domain we're using.
+        foreach (self::$domains as $domain) {
+            bindtextdomain($domain, '../locale');
+            bind_textdomain_codeset($domain, $codeset);
+        }
+        
+        textdomain('airtime');
     }
+    
 }
 
diff --git a/airtime_mvc/application/views/scripts/billing/invoices.phtml b/airtime_mvc/application/views/scripts/billing/invoices.phtml
index 9f2f65ee3..2e6f3ad79 100644
--- a/airtime_mvc/application/views/scripts/billing/invoices.phtml
+++ b/airtime_mvc/application/views/scripts/billing/invoices.phtml
@@ -4,11 +4,11 @@
 $topTextClass = "";
 if (array_key_exists("planupdated", $_GET))
 {
-    $topText = _("<b>Thank you!</b> Your plan has been updated and you will be invoiced during your next billing cycle.");
+    $topText = _pro("<b>Thank you!</b> Your plan has been updated and you will be invoiced during your next billing cycle.");
     $topTextClass = "status-good";
 }
 else {
-    $topText = _("Tip: To pay an invoice, click \"View Invoice\"<br> and look for the \"Checkout\" button.");
+    $topText = _pro("Tip: To pay an invoice, click \"View Invoice\"<br> and look for the \"Checkout\" button.");
 }
     
 ?>
diff --git a/dev_tools/update_po_files.sh b/dev_tools/update_po_files.sh
index a921fd660..bcc3b786e 100755
--- a/dev_tools/update_po_files.sh
+++ b/dev_tools/update_po_files.sh
@@ -5,10 +5,15 @@ cd ..
 #generate a new .po file
 #this will generate a file called messages.po
 find . -iname "*.phtml" -o -name "*.php" | xargs xgettext -L php --from-code=UTF-8
+find . -iname "*.phtml" -o -name "*.php" | xargs xgettext -L php --from-code=UTF-8 -k --keyword=_pro:1 -d pro --force-po
 
 #merge the new messages from messages.po into each existing .po file
 #this will generate new .po files
-find ./airtime_mvc/locale/ -name "*.po" -exec msgmerge -N -U --no-wrap "{}" messages.po \;
+find ./airtime_mvc/locale/ -name "airtime.po" -exec msgmerge -N -U --no-wrap "{}" messages.po \;
+find ./airtime_mvc/locale/ -name "pro.po" -exec msgmerge -N -U --no-wrap "{}" pro.po \;
 
 #delete the old .po files
 find ./airtime_mvc/locale/ -name "*.po~" -delete
+
+#delete the temporary po files we create in the root directory
+rm ./*.po