diff --git a/src/lang/en.json b/src/lang/en.json
index 5ecb2f27d..49c179f9b 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -765,6 +765,9 @@
     "smseagleMsgTtsAdvanced": "Text-to-speech Advanced call",
     "smseagleDuration": "Duration (default=10)",
     "smseagleTtsModel": "Text-to-speech model ID",
+    "smseagleApiType": "API version",
+    "smseagleApiv1": "APIv1 (for existing projects and backward compatibility)",
+    "smseagleApiv2": "APIv2 (recommended for new integrations)",
     "smspartnerApiurl": "You can find your API key in your dashboard at {0}",
     "smspartnerPhoneNumber": "Phone number(s)",
     "smspartnerPhoneNumberHelptext": "The number must be in the international format {0}, {1}. Multiple numbers must be separated by {2}",
diff --git a/src/lang/pl.json b/src/lang/pl.json
index c76faf116..a3bb9a9e7 100644
--- a/src/lang/pl.json
+++ b/src/lang/pl.json
@@ -378,6 +378,9 @@
     "smseagleMsgTtsAdvanced": "Połączenie text-to-speech (zaawansowane)",
     "smseagleDuration": "Czas trwania (domyślnie=10)",
     "smseagleTtsModel": "ID modelu głosowego TTS",
+    "smseagleApiType": "wersja API",
+    "smseagleApiv1": "APIv1 (dla istniejących projektów)",
+    "smseagleApiv2": "APIv2 (zalecane dla nowych integracji)",
     "stackfield": "Stackfield",
     "Customize": "Dostosuj",
     "Custom Footer": "Niestandardowa stopka",