Address comments

javascript/ql/lib/semmle/javascript/Regexp.qll

@@ -999,13 +999,13 @@ predicate isInterpretedAsRegExp(DataFlow::Node source) {
 }
 
 /**
- * Provides regular expression patterns.
+ * Provides utility predicates related to regular expressions.
  */
 module RegExpPatterns {
   /**
    * Gets a pattern that matches common top-level domain names in lower case.
    */
-  string commonTLD() {
+  string getACommonTld() {
     // according to ranking by http://google.com/search?q=site:.<<TLD>>
     result = "(?:com|org|edu|gov|uk|net|io)(?![a-z0-9])"
   }