diff --git a/ports/nrf/common-hal/_bleio/__init__.c b/ports/nrf/common-hal/_bleio/__init__.c
index bbd57cfbe4..72a8e91370 100644
--- a/ports/nrf/common-hal/_bleio/__init__.c
+++ b/ports/nrf/common-hal/_bleio/__init__.c
@@ -47,7 +47,7 @@ void check_nrf_error(uint32_t err_code) {
     }
     switch (err_code) {
         case NRF_ERROR_NO_MEM:
-            mp_raise_msg(&mp_type_MemoryError, translate("Nordic soft device out of memory"));
+            mp_raise_msg(&mp_type_MemoryError, translate("Nordic system firmware out of memory"));
             return;
         case NRF_ERROR_TIMEOUT:
             mp_raise_msg(&mp_type_TimeoutError, NULL);
@@ -56,7 +56,7 @@ void check_nrf_error(uint32_t err_code) {
             mp_raise_ConnectionError(translate("Not connected"));
             return;
         default:
-            mp_raise_bleio_BluetoothError(translate("Unknown soft device error: %04x"), err_code);
+            mp_raise_bleio_BluetoothError(translate("Unknown system firmware error: %04x"), err_code);
             break;
     }
 }
diff --git a/supervisor/shared/safe_mode.c b/supervisor/shared/safe_mode.c
index e8778216a6..f9e787c159 100644
--- a/supervisor/shared/safe_mode.c
+++ b/supervisor/shared/safe_mode.c
@@ -182,7 +182,7 @@ void print_safe_mode_message(safe_mode_t reason) {
         // defined in ports/nrf/bluetooth/bluetooth_common.mk
         // will print "Unknown reason" if somehow encountered on other ports
         case NORDIC_SOFT_DEVICE_ASSERT:
-            serial_write_compressed(translate("Nordic Soft Device failure assertion."));
+            serial_write_compressed(translate("Nordic system firmware failure assertion."));
             break;
             #endif
         case FLASH_WRITE_FAIL: