Liquibase: added comment

process/Liquibase_lib/process.js

@@ -61,7 +61,7 @@ LiquiUtils.exportAllTablesAsLiquibaseFiles = function(pOutFolderPath, pAuthor, p
 *
 * @param {String} pPath file-path where the files and folders will be created; the folder must be on the server 
 * @param {String} pTableName name of the DB-table that will be exported; this is also the name of the file that is stored
-* @param {Array} pColumns db-columns within the table that will be exported
+* @param {Array} [pColumns=all columns within the table] db-columns within the table that will be exported
 * @param {String} [pCondition=none] db-condition to limit the data that will be exported; if nothing given the whole content will be exported
 * @param {String} [pAuthor="autogenerated"] author that will be written into the liquibase-changeset
 * @param {Boolean} [pIncludeClearTableDirective=false] if true, a delete element is added at the beginning of the changeset for the table