Update format-time.js documentation to match functionality (#632)

Author: g-sanner

lib/utils/format-time.js

@@ -18,7 +18,7 @@ const isValidDate = require('./is-valid-date')
  * valid for `new Date()`.
  * @param {boolean|string} [translateTime=false] When `false`, the given `epoch`
  * will simply be returned. When `true`, the given `epoch` will be converted
- * to a string at UTC using the `DATE_FORMAT` constant. If `translateTime` is
+ * to a string at UTC using the `DATE_FORMAT_SIMPLE` constant. If `translateTime` is
  * a string, the following rules are available:
  *
  * - `<format string>`: The string is a literal format string. This format