Corrected some spelling errors and added copyright notice

check_smhiwarn.php

@@ -1,5 +1,24 @@
 #!/usr/bin/php
 <?php
+
+/*
+    Copyright (C) 2014 Jack-Benny Persson <jack-benny@cyberinfo.se>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
 // Define exit status
 $ok = 0;
 $warning = 1;
@@ -108,7 +127,7 @@ if (!preg_grep("/^$district$/", $availDistricts))
 //$data = file_get_contents("smhi_alla_varningar.xml"); //For testing purposes
 $data = shell_exec("curl -s http://www.smhi.se/weatherSMHI2/varningar/smhi_alla_varningar.xml");
 
-//Regex the area (1st parathentis is area, 2nd is warning class, 3rd is warning msg)
+// Regex the area (1st paranthesis is area, 2nd is warning class, 3rd is warning msg)
 preg_match("/($district)(?:: )(?:Varning klass )([1-3]+)(?:,\s)([-a-z0-9åäö.,&\s]*)/i", 
 $data, $matches);
 
@@ -132,7 +151,7 @@ else
     $warnLevel = 0;
 }
 
-//Check for warnings...
+// Check for warnings and exit with correct exit status
 switch ($warnLevel)
 {
     case 0: