Add @param javadoc

pass-nihms-loader/nihms-data-harvest/src/main/java/org/eclipse/pass/loader/nihms/UrlBuilder.java

@@ -53,7 +53,8 @@ public class UrlBuilder {
     /**
      * Constructor for the UrlBuilder. Sets environment either profiles or properties using SpringBoot Configuration.
      *
-     * @param environment
+     * @param environment enables the accessing of configuration properties in the UrlBuilder, such as the api schema,
+     *                    api host, and api path.
      */
     public UrlBuilder(Environment environment) {
         this.environment = environment;