diff --git a/config/config.default.php b/config/config.default.php
index 14532336..4fc73725 100644
--- a/config/config.default.php
+++ b/config/config.default.php
@@ -409,9 +409,9 @@ return [
 
     // Whether to show the current day of the event (-2, -1, 0, 1, 2…) in footer and on the dashboard.
     // The event start date has to be set for it to appear.
-    'enable_show_day_of_event' => false,
+    'enable_show_day_of_event' => (bool) env('ENABLE_SHOW_DAY_OF_EVENT', false),
     // If true there will be a day 0 (-1, 0, 1…). If false there won't (-1, 1…)
-    'event_has_day0' => true,
+    'event_has_day0' => (bool) env('EVENT_HAS_DAY0', true),
 
     'metrics'                 => [
         // User work buckets in seconds
diff --git a/includes/pages/admin_active.php b/includes/pages/admin_active.php
index c1893f5c..ac80cb70 100644
--- a/includes/pages/admin_active.php
+++ b/includes/pages/admin_active.php
@@ -385,10 +385,10 @@ function admin_active()
                     : __('Goodie score')
                 )] : []),
                 [
-                    'active'       => __('Active?'),
+                    'active'       => __('Active'),
                 ],
                 (config('enable_force_active') ? ['force_active' => __('Forced'),] : []),
-                ($goodie_enabled ? ['tshirt' => ($goodie_tshirt ? __('T-shirt?') : __('Goodie?'))] : []),
+                ($goodie_enabled ? ['tshirt' => ($goodie_tshirt ? __('T-shirt') : __('Goodie'))] : []),
                 [
                     'actions'      => __('general.actions'),
                 ]
diff --git a/includes/view/AngelTypes_view.php b/includes/view/AngelTypes_view.php
index 8ab9a358..02f790c0 100644
--- a/includes/view/AngelTypes_view.php
+++ b/includes/view/AngelTypes_view.php
@@ -306,7 +306,7 @@ function AngelType_view_members(AngelType $angeltype, $members, $admin_user_ange
         $member->name = User_Nick_render($member) . User_Pronoun_render($member);
         if (config('enable_dect')) {
             $member['dect'] =
-                sprintf('<a href="tel:%s">%1$s</a>', htmlspecialchars($member->contact->dect));
+                sprintf('<a href="tel:%s">%1$s</a>', htmlspecialchars((string) $member->contact->dect));
         }
         if (config('driving_license_enabled') && $angeltype->requires_driver_license) {
             $drive_confirmed = $member->license->drive_confirmed;
diff --git a/resources/lang/de_DE/default.po b/resources/lang/de_DE/default.po
index 081ccd0f..6d47afdc 100644
--- a/resources/lang/de_DE/default.po
+++ b/resources/lang/de_DE/default.po
@@ -545,14 +545,14 @@ msgstr "Länge"
 msgid "Length (in minutes)"
 msgstr "Länge (in Minuten)"
 
-msgid "Active?"
-msgstr "Aktiv?"
+msgid "Active"
+msgstr "Aktiv"
 
 msgid "Forced"
 msgstr "Erzwungen"
 
-msgid "T-shirt?"
-msgstr "T-Shirt?"
+msgid "T-shirt"
+msgstr "T-Shirt"
 
 msgid "T-shirt statistic"
 msgstr "T-Shirt Statistik"
@@ -1170,9 +1170,6 @@ msgstr "Gutschein"
 msgid "Freeloads"
 msgstr "Schwänzereien"
 
-msgid "T-shirt"
-msgstr "T-Shirt"
-
 msgid "Last login"
 msgstr "Letzter Login"
 
@@ -1366,9 +1363,6 @@ msgstr "Goodie entfernen"
 msgid "Got goodie"
 msgstr "Goodie bekommen"
 
-msgid "Goodie?"
-msgstr "Goodie?"
-
 msgid "Angel has got a goodie."
 msgstr "Engel hat ein Goodie bekommen."
 
@@ -1805,7 +1799,7 @@ msgid "settings.api.about"
 msgstr ""
 "Die API erlaubt es dir, über externe Programme, mit dem %s zu interagieren. "
 "Sie ist noch nicht vollständig, wir arbeiten aber daran sie zu erweitern.\n"
-"Der Einstiegspunkt der API befindet sich unter `%s` und ist in der [OpenAPI Spezifikation](%s) beschrieben.\n"
+"Der Einstiegspunkt der API befindet sich unter `%s` und ist in der [OpenAPI Spezifikation](%s) beschrieben."
 
 msgid "settings.api.about.warning"
 msgstr ""
diff --git a/resources/lang/en_US/default.po b/resources/lang/en_US/default.po
index 52313284..e9253827 100644
--- a/resources/lang/en_US/default.po
+++ b/resources/lang/en_US/default.po
@@ -524,7 +524,7 @@ msgid "settings.api.about"
 msgstr ""
 "The API allows you to interact with the %s by using external programs. "
 "It's not complete but we are working on extending it.\n"
-"The endpoint of the API is located at `%s` and described in the [OpenAPI specification](%s).\n"
+"The endpoint of the API is located at `%s` and described in the [OpenAPI specification](%s)."
 
 msgid "settings.api.about.warning"
 msgstr ""
@@ -820,7 +820,7 @@ msgid "general.created_at"
 msgstr "Created at"
 
 msgid "shifts.random"
-msgstr "Zufällige Schicht"
+msgstr "Random shift"
 
 msgid "shifts.history"
 msgstr "Shifts history"