diff --git a/extensions/free-mobile-sms/free-mobile-sms.lua b/extensions/free-mobile-sms/free-mobile-sms.lua
index 44f4814..1d3a473 100644
--- a/extensions/free-mobile-sms/free-mobile-sms.lua
+++ b/extensions/free-mobile-sms/free-mobile-sms.lua
@@ -34,7 +34,7 @@ local FreeMobileSms = class.create(function(freeMobileSms)
   function freeMobileSms:sendMessage(msg)
     logger:info('Sending message: "%s"', msg)
     local url = Url:new(self.apiUrl or 'https://smsapi.free-mobile.fr/sendmsg')
-    local resource = url:getFile()..'?'..Url.mapToQuery({user = self.user, pass = self.pass, msg = msg})
+    local resource = url:getPath()..'?'..Url.mapToQuery({user = self.user, pass = self.pass, msg = msg})
     local client = HttpClient:new(url)
     return client:fetch(resource):next(function(response)
       response:consume()
diff --git a/lha/Extension.lua b/lha/Extension.lua
index 437fe46..14058a7 100644
--- a/lha/Extension.lua
+++ b/lha/Extension.lua
@@ -23,9 +23,10 @@ return require('jls.lang.class').create(require('jls.util.EventPublisher'), func
   --  configuration: called when the configuration changes
   --  things: called when things change, added, removed, or extension loaded
   --  extensions: called when extensions change
-  --  poll: called depending on the configuration schedule, to collect things data and discover things
-  --  refresh: called depending on the configuration schedule
-  --  clean: called depending on the configuration
+  --  poll: called every 15 minutes(*), to collect things data and discover things
+  --  refresh: called every day at midnight(*)
+  --  clean: called the first day of the month(*)
+  -- (*) depending on the configuration schedule
   -- @function Extension:new
   -- @param engine the engine that holds this extension.
   -- @param dir the extension directory
diff --git a/lha/schema.json b/lha/schema.json
index 5386592..6931180 100644
--- a/lha/schema.json
+++ b/lha/schema.json
@@ -21,7 +21,7 @@
                 },
                 "configuration": {
                   "default": "0 0 * * *",
-                  "title": "Schedule for archiving configuration",
+                  "title": "Schedule for archiving configuration and refreshing",
                   "type": "string"
                 },
                 "data": {