self-update: update up to date prompt

classes/pref/prefs.php

@@ -510,7 +510,7 @@ class Pref_Prefs extends Handler_Protected {
 					__('Update Tiny Tiny RSS')."</button></p>";
 
 			} else {
-				print_notice(__("You are currently using latest version of Tiny Tiny RSS. Update not required."));
+				print_notice(__("Your Tiny Tiny RSS installation is up to date."));
 			}
 
 			print "</div>"; #pane

include/update_self.php

@@ -45,7 +45,7 @@
 		_debug("Target version: $target_version");
 
 		if (version_compare(VERSION, $target_version) != -1 && !$force) {
-			_debug("You are on the latest version. Update not needed.");
+			_debug("Your Tiny Tiny RSS installation is up to date.");
 			exit;
 		}
 		if (file_exists($target_dir)) {