Fix minor issues with Javadoc

Author: pitbulk

core/src/main/java/com/onelogin/saml2/http/HttpRequest.java

@@ -46,7 +46,7 @@ public HttpRequest(String requestURL) {
      * Creates a new HttpRequest.
      *
      * @param requestURL  the request URL (up to but not including query parameters)
-     * @param query string that is contained in the request URL after the path
+     * @param queryString string that is contained in the request URL after the path
      */
     public HttpRequest(String requestURL, String queryString) {
         this(requestURL, EMPTY_PARAMETERS, queryString);
@@ -70,7 +70,7 @@ public HttpRequest(String requestURL, Map<String, List<String>> parameters) {
      *
      * @param requestURL  the request URL (up to but not including query parameters)
      * @param parameters the request query parameters
-     * @param query string that is contained in the request URL after the path
+     * @param queryString string that is contained in the request URL after the path
      * @throws NullPointerException if any of the parameters is null
      */
     public HttpRequest(String requestURL, Map<String, List<String>> parameters, String queryString) {

core/src/test/java/com/onelogin/saml2/test/NaiveUrlEncoder.java

@@ -11,6 +11,11 @@ private NaiveUrlEncoder () {
     /**
      * Encodes ALL characters in URL using %xx encoding.<br>
      * This differs from 'normal' url encoding.
+     * 
+     * @param s string to be encoded
+     * @return a string with the url-encoded values
+     *
+     * @throws UnsupportedEncodingException
      */
     public static String encode (String s) throws UnsupportedEncodingException {
         StringBuilder buf = new StringBuilder();