@@ -91,20 +91,20 @@ class IsoInstaller(object):

     def validate_ostree_url_input(self, text):

         status = 0

         if not text:

-            return False, "Error: Invalid input            "

+            return False, "Error: Invalid input"

         try:

             status = urllib.urlopen(text).getcode()

         except:

-            return False , "Error: Invalid Url             "

+            return False , "Error: Invalid or unreachable Url"

         else:

             if status != 200:

-                return False , "Error: URL not accessible   "

+                return False , "Error: URL not accessible"

         return True, None

     def validate_ostree_refs_input(self, text):

-        return not (not text), "Error: Invalid input        "

+        return not (not text), "Error: Invalid input"

     def validate_password(self, text):

         try:

@@ -208,7 +208,7 @@ class IsoInstaller(object):

                     self.validate_ostree_url_input, # validation function of the input

                     None, # post processing of the input field

                     'Please provide the URL of OSTree repo', 'OSTree Repo URL:', 2, install_config,

-                    "")

+                    "http://")

             ostree_ref_reader = OSTreeWindowStringReader(

                     self.maxy, self.maxx, 10, 70, 

                     'ostree_repo_ref', 

@@ -218,7 +218,7 @@ class IsoInstaller(object):

                     self.validate_ostree_refs_input, # validation function of the input

                     None, # post processing of the input field

                     'Please provide the Ref in OSTree repo', 'OSTree Repo Ref:', 2, install_config,

-                    "")

+                    "tp2/x86_64/minimal")

             items = items + [

                     (license_agreement.display, False),

@@ -117,6 +117,8 @@ class ReadText(Action):

         if self.validation_fn:

             success, err = self.validation_fn(self.str)

             if not success:

+                spaces = ' ' * self.textwin_width

+                self.textwin.addstr(self.y + 2, 0, spaces)

                 self.textwin.addstr(self.y + 2, 0, err, curses.color_pair(4))

             return success

         else: