Update documentation for timestamp() Fix function. (#232)

Author: blackwinter

README.md

@@ -316,9 +316,9 @@ Creates (or replaces) a field with the current timestamp.
 
 Options:
 
-- `format`: Date and time pattern as in [java.text.SimpleDateFormat](https://docs.oracle.com/javase/8/docs/api/java/text/SimpleDateFormat.html) (Default: Unix timestamp).
-- `timezone`: Time zone as in [java.util.TimeZone](https://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html) (Default: UTC).
-- `language`: Language tag as in [java.util.Locale](https://docs.oracle.com/javase/8/docs/api/java/util/Locale.html) (Default: The locale of the host system).
+- `format`: Date and time pattern as in [java.text.SimpleDateFormat](https://docs.oracle.com/javase/8/docs/api/java/text/SimpleDateFormat.html). (Default: Unix timestamp)
+- `timezone`: Time zone as in [java.util.TimeZone](https://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html). (Default: UTC)
+- `language`: Language tag as in [java.util.Locale](https://docs.oracle.com/javase/8/docs/api/java/util/Locale.html). (Default: The locale of the host system)
 
 ```perl
 timestamp("<targetField>"[, format: "<formatPattern>"][, timezone: "<timezoneCode>"][, language: "<languageCode>"])