Add a bit of docs

src/bowser.js

@@ -7,31 +7,38 @@
 import Parser from './parser';
 
 /**
- * Bowser class
- * Keep it simple as much as it can be
- * It's supposed to work with collections of Parser instances
+ * Bowser class.
+ * Keep it simple as much as it can be.
+ * It's supposed to work with collections of {@link Parser} instances
  * rather then solve one-instance problems.
  * All the one-instance stuff is located in Parser class.
  */
 class Bowser {
   /**
-   * Creates a Parser instance instead of Bowser's one
+   * Creates a {@link module:parser:Parser} instance
    *
-   * @param {String} UA — UserAgent string
-   * @param {Boolean} [skipParsing=false] — same as skipParsing for Parser
+   * @param {String} UA UserAgent string
+   * @param {Boolean} [skipParsing=false] same as skipParsing for {@link Parser}
    * @returns {Parser}
+   * @throws {Error} when UA is not a String
    *
    * @example
    * const bowser = new Bowser(window.navigator.userAgent);
    * bowser.getResult()
    */
-  constructor(UA, skipParsing=false) {
+  static getParser(UA, skipParsing=false) {
     if (typeof UA !== 'string') {
       throw new Error('UserAgent should be a string');
     }
     return new Parser(UA, skipParsing);
   }
 
+  /**
+   * Creates a {@link Parser} instance and runs {@link Parser.getResult} immediately
+   *
+   * @param UA
+   * @return {ParsedResult}
+   */
   static parse(UA) {
     return (new Bowser(UA)).getResult();
   }