diff --git a/ChangeLog b/ChangeLog
index c7f9c759..fabfed68 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -65,6 +65,7 @@ ver. 0.10.6-dev (20??/??/??) - development edition
 * fail2ban-regex:
   - speedup formatted output (bypass unneeded stats creation)
   - extended with prefregex statistic
+  - more informative output for `datepattern` (e. g. set from filter) - pattern : description
 * new filter and jail for GitLab recognizing failed application logins (gh-2689)
 * `filter.d/guacamole.conf` extended with `logging` parameter to follow webapp-logging if it's configured (gh-2631)
 * introduced new prefix `{UNB}` for `datepattern` to disable word boundaries in regex;
diff --git a/fail2ban/client/fail2banregex.py b/fail2ban/client/fail2banregex.py
index 1adf9761..d0fe55dc 100644
--- a/fail2ban/client/fail2banregex.py
+++ b/fail2ban/client/fail2banregex.py
@@ -294,8 +294,8 @@ class Fail2banRegex(object):
 			self._filter.setDatePattern(pattern)
 			self._datepattern_set = True
 			if pattern is not None:
-				self.output( "Use      datepattern : %s" % (
-					self._filter.getDatePattern()[1], ) )
+				self.output( "Use      datepattern : %s : %s" % (
+					pattern, self._filter.getDatePattern()[1], ) )
 
 	def setMaxLines(self, v):
 		if not self._maxlines_set: