diff --git a/l10n/cs_CZ.js b/l10n/cs_CZ.js
index 36935993..2a806bb0 100644
--- a/l10n/cs_CZ.js
+++ b/l10n/cs_CZ.js
@@ -2,6 +2,8 @@ OC.L10N.register(
     "contacts",
     {
     "Contacts" : "Kontakty",
+    "Are you sure you want to delete the addressbook {addressbook} ?" : "Opravdu si přejete odstranit adresář {addressbook} ?",
+    "Remove addressbook" : "Odstranit adresář",
     "Add new LDAP Addressbook" : "Přidat nový LDAP adresář kontaktů",
     "Ok" : "Ok",
     "Cancel" : "Zrušit",
diff --git a/l10n/cs_CZ.json b/l10n/cs_CZ.json
index f6d158b4..ff92df15 100644
--- a/l10n/cs_CZ.json
+++ b/l10n/cs_CZ.json
@@ -1,5 +1,7 @@
 { "translations": {
     "Contacts" : "Kontakty",
+    "Are you sure you want to delete the addressbook {addressbook} ?" : "Opravdu si přejete odstranit adresář {addressbook} ?",
+    "Remove addressbook" : "Odstranit adresář",
     "Add new LDAP Addressbook" : "Přidat nový LDAP adresář kontaktů",
     "Ok" : "Ok",
     "Cancel" : "Zrušit",