diff --git a/leaflet_more_maps.module b/leaflet_more_maps.module
index b72b40e..07d76bb 100644
--- a/leaflet_more_maps.module
+++ b/leaflet_more_maps.module
@@ -356,9 +356,9 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
     ),
   );
 
-  $attr_thunderforest = '<a href="http://www.thunderforest.com">Thunderforest</a>. ' . $attr_osm;
+  $attr_thunderforest = '<a href="https://www.thunderforest.com">Thunderforest</a>. ' . $attr_osm;
   $map_info['osm-cycle'] = array(
-    'label' => 'OSM Thunderforest Cycle (zoom 0..18)',
+    'label' => 'OSM Thunderforest Cycle (zoom 0..22)',
     'description' => t('OpenStreetMap for cyclists'),
     'settings' => $default_settings,
     'layers' => array(
@@ -370,7 +370,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-transport'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Transport (zoom 0..18)',
+    'label' => 'OSM Thunderforest Transport (zoom 0..22)',
     'description' => t('OpenCycleMap with train & tram lines'),
     'settings' => $default_settings,
     'layers' => array(
@@ -382,7 +382,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-landscape'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Landscape (zoom 0..18)',
+    'label' => 'OSM Thunderforest Landscape (zoom 0..22)',
     'description' => t('OpenCycleMap with landscape'),
     'settings' => $default_settings,
     'layers' => array(
@@ -394,7 +394,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-outdoors'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Outdoors (zoom 0..18)',
+    'label' => 'OSM Thunderforest Outdoors (zoom 0..22)',
     'description' => t('OpenStreetMap for outdoor activities'),
     'settings' => $default_settings,
     'layers' => array(
@@ -406,7 +406,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-transport-dark'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Transport Dark (zoom 0..18)',
+    'label' => 'OSM Thunderforest Transport Dark (zoom 0..22)',
     'description' => t('A dark variant of OSM Thunderforest Transport'),
     'settings' => $default_settings,
     'layers' => array(
@@ -418,7 +418,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-spinal-map'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Spinal Map (zoom 0..18)',
+    'label' => 'OSM Thunderforest Spinal Map (zoom 0..22)',
     'description' => t('A perfect map style for all your heavy-rock needs, based on OSM'),
     'settings' => $default_settings,
     'layers' => array(
@@ -430,7 +430,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-pioneer'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Pioneer (zoom 0..18)',
+    'label' => 'OSM Thunderforest Pioneer (zoom 0..22)',
     'description' => t('A turn-of-the-century railroad map style, evoking a sense of bygone mapping, based on OSM'),
     'settings' => $default_settings,
     'layers' => array(
@@ -442,7 +442,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-mobile-atlas'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Mobile Atlas (zoom 0..18)',
+    'label' => 'OSM Thunderforest Mobile Atlas (zoom 0..22)',
     'description' => t('A new map style by Thunderforest, based on OSM'),
     'settings' => $default_settings,
     'layers' => array(
@@ -454,7 +454,7 @@ function _leaflet_more_maps_assemble_default_map_info(&$map_info, $default_setti
   );
   $map_info['osm-neighbourhood'] = array(
     // See http://thunderforest.com.
-    'label' => 'OSM Thunderforest Neighbourhood (zoom 0..18)',
+    'label' => 'OSM Thunderforest Neighbourhood (zoom 0..22)',
     'description' => t('Another new map style by Thunderforest, based on OSM'),
     'settings' => $default_settings,
     'layers' => array(