Fix typo

Author: junichi11

src/org/netbeans/modules/php/wordpress/ui/status/DebugStatusLineElement.java

@@ -275,23 +275,23 @@ public String getVersion(FileObject version) {
      * @return debug level
      */
     public String getDebugLevel(FileObject config) {
-        String debubLv = ""; // NOI18N
+        String debugLv = ""; // NOI18N
         Pattern pattern = Pattern.compile(DEBUG_REGEX);
 
         try {
             List<String> lines = config.asLines();
             for (String line : lines) {
                 Matcher matcher = pattern.matcher(line);
                 if (matcher.find()) {
-                    debubLv = matcher.group(1);
+                    debugLv = matcher.group(1);
                     break;
                 }
             }
         } catch (IOException ex) {
             Exceptions.printStackTrace(ex);
         }
 
-        return debubLv;
+        return debugLv;
     }
 
     /**