diff --git a/contrib/tzdata/zone.tab b/contrib/tzdata/zone.tab
index 90a371cd5016..02166ee96163 100644
--- a/contrib/tzdata/zone.tab
+++ b/contrib/tzdata/zone.tab
@@ -257,7 +257,7 @@ LV	+5657+02406	Europe/Riga
 LY	+3254+01311	Africa/Tripoli
 MA	+3339-00735	Africa/Casablanca
 MC	+4342+00723	Europe/Monaco
-MD	+4700+02850	Europe/Chisinau
+MD	+4700+02850	Europe/Chisinau	most locations
 MD	+4651+02938	Europe/Tiraspol	Pridnestrovie
 ME	+4226+01916	Europe/Podgorica
 MF	+1804-06305	America/Marigot