diff --git a/komga-webui/src/components/dialogs/EditSeriesDialog.vue b/komga-webui/src/components/dialogs/EditSeriesDialog.vue
index 04dccd3bb..654064604 100644
--- a/komga-webui/src/components/dialogs/EditSeriesDialog.vue
+++ b/komga-webui/src/components/dialogs/EditSeriesDialog.vue
@@ -133,6 +133,7 @@
                                   dense
                                   :placeholder="!single && mixed.language ? $t('dialog.edit_series.mixed') : ''"
                                   :error-messages="languageErrors"
+                                  :hint="$t('dialog.edit_series.field_language_hint')"
                                   @input="$v.form.language.$touch()"
                                   @change="form.languageLock = true"
                     >
diff --git a/komga-webui/src/locales/en.json b/komga-webui/src/locales/en.json
index f1928e359..a591b804d 100644
--- a/komga-webui/src/locales/en.json
+++ b/komga-webui/src/locales/en.json
@@ -371,6 +371,7 @@
       "field_age_rating_error": "Age rating must be 0 or more",
       "field_genres": "Genres",
       "field_language": "Language",
+      "field_language_hint": "IETF BCP 47 language tag",
       "field_publisher": "Publisher",
       "field_reading_direction": "Reading Direction",
       "field_sort_title": "Sort Title",