diff --git a/tfa.module b/tfa.module
index 8744b2e..a77b760 100644
--- a/tfa.module
+++ b/tfa.module
@@ -396,21 +396,20 @@ function tfa_login_hash($account) {
  */
 function tfa_page_alter() {
   global $user;
-
+  // User is not logged, can bypass the requirement to setup TFA or cannot
+  // setup their own TFA.
   if (!user_is_logged_in() || user_access('bypass tfa setup', $user) || !user_access('setup own tfa')) {
-    // User is not logged, can bypass the requirement to setup TFA
-    // or cannot setup their own TFA.
     return;
   }
 
   $user_tfa = tfa_basic_get_tfa_data($user);
+  // TFA has been done.
   if (isset($user_tfa['status']) && $user_tfa['status']) {
-    // TFA has been done.
     return;
   }
 
+  // This is a path we won't redirect on.
   if (_tfa_safe_path()) {
-    // This is a path we won't redirect on.
     return;
   }
 
@@ -419,31 +418,32 @@ function tfa_page_alter() {
 }
 
 /**
- * Based on visibility setting this function.
+ * Helper function to decide whether we redirect or not.
  *
  * @return bool
  *  TRUE if this page is allowed to be accessed when not bypassing TFA setup.
  */
 function _tfa_safe_path() {
-  $setting_pages = variable_get('force_tfa_pages', TFA_UNFORCED_PAGES);
-  $force_fta_page_match = FALSE;
+  $setting_pages = variable_get('tfa_unforced_pages', TFA_UNFORCED_PAGES);
+  $force_tfa_page_match = FALSE;
 
   // Match path if necessary.
   if (!empty($setting_pages)) {
     $pages = drupal_strtolower($setting_pages);
     $path = drupal_strtolower(drupal_get_path_alias($_GET['q']));
-    $force_fta_page_match = drupal_match_path($path, $pages);
+    $force_tfa_page_match = drupal_match_path($path, $pages);
   }
 
-  return $force_fta_page_match;
+  return $force_tfa_page_match;
 }
 
 /**
- * Decide whether an account requires TFA configured.
+ * Helper function to decide whether an account requires TFA configured.
  *
+ * @param object $account User account.
  * @return bool
  *   If TRUE, the user should be prevented from logging in.
  */
 function _tfa_account_requires_tfa($account) {
   return $account->uid != 1 && user_access('require tfa', $account);
-}
\ No newline at end of file
+}