diff --git a/lib/l10n/intl_en.arb b/lib/l10n/intl_en.arb
index 6ac965b..364deec 100644
--- a/lib/l10n/intl_en.arb
+++ b/lib/l10n/intl_en.arb
@@ -43,6 +43,7 @@
     "film": "Film",
     "filmPush": "Film (push)",
     "filmPull": "Film (pull)",
+    "filmReciprocityHint": "Applies correction for shutter speeds grater than 1 second",
     "equipment": "Equipment",
     "equipmentProfileName": "Equipment profile name",
     "equipmentProfileNameHint": "Praktica MTL5B",
diff --git a/lib/l10n/intl_fr.arb b/lib/l10n/intl_fr.arb
index 6e848c9..22b0356 100644
--- a/lib/l10n/intl_fr.arb
+++ b/lib/l10n/intl_fr.arb
@@ -43,6 +43,7 @@
     "film": "Pellicule",
     "filmPush": "Pellicule (push)",
     "filmPull": "Pellicule (pull)",
+    "filmReciprocityHint": "La correction s'applique aux vitesses d'obturation supérieures à 1 seconde",
     "equipment": "Équipement",
     "equipmentProfileName": "Nom du profil de l'équipement",
     "equipmentProfileNameHint": "Praktica MTL5B",
diff --git a/lib/l10n/intl_ru.arb b/lib/l10n/intl_ru.arb
index 98cd030..9ce0d9b 100644
--- a/lib/l10n/intl_ru.arb
+++ b/lib/l10n/intl_ru.arb
@@ -43,6 +43,7 @@
     "film": "Пленка",
     "filmPush": "Пленка (push)",
     "filmPull": "Пленка (pull)",
+    "filmReciprocityHint": "Применяет коррекцию для выдержек длиннее 1 секунды",
     "equipment": "Оборудование",
     "equipmentProfileName": "Название профиля",
     "equipmentProfileNameHint": "Praktica MTL5B",
@@ -92,4 +93,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/lib/l10n/intl_zh.arb b/lib/l10n/intl_zh.arb
index 5768ba8..357ef95 100644
--- a/lib/l10n/intl_zh.arb
+++ b/lib/l10n/intl_zh.arb
@@ -43,6 +43,7 @@
     "film": "胶片",
     "filmPush": "胶片 (push)",
     "filmPull": "胶片 (pull)",
+    "filmReciprocityHint": "Applies correction for shutter speeds grater than 1 second",
     "equipment": "设备",
     "equipmentProfileName": "设备配置名称",
     "equipmentProfileNameHint": "Praktica MTL5B",
diff --git a/lib/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart b/lib/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart
index 08f3952..ae1e6fe 100644
--- a/lib/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart
+++ b/lib/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart
@@ -15,6 +15,7 @@ class FilmPicker extends StatelessWidget {
     return AnimatedDialogPicker<Film>(
       icon: Icons.camera_roll,
       title: S.of(context).film,
+      subtitle: S.of(context).filmReciprocityHint,
       selectedValue: Films.selectedOf(context),
       values: Films.inUseOf(context),
       itemTitleBuilder: (_, value) => Text(value.name.isEmpty ? S.of(context).none : value.name),