diff --git a/homeassistant/components/fronius/strings.json b/homeassistant/components/fronius/strings.json
index 7c42cca29de..ef55c51cb14 100644
--- a/homeassistant/components/fronius/strings.json
+++ b/homeassistant/components/fronius/strings.json
@@ -140,16 +140,16 @@
           "ac_module_temperature_sensor_faulty_l3": "AC module temperature sensor faulty (L3)",
           "dc_module_temperature_sensor_faulty": "DC module temperature sensor faulty",
           "internal_processor_status": "Warning about the internal processor status. See status code for more information",
-          "eeprom_reinitialised": "EEPROM has been re-initialised",
-          "initialisation_error_usb_flash_drive_not_supported": "Initialisation error – USB flash drive is not supported",
-          "initialisation_error_usb_stick_over_current": "Initialisation error – Overcurrent on USB stick",
+          "eeprom_reinitialised": "EEPROM has been re-initialized",
+          "initialisation_error_usb_flash_drive_not_supported": "Initialization error – USB flash drive is not supported",
+          "initialisation_error_usb_stick_over_current": "Initialization error – Overcurrent on USB stick",
           "no_usb_flash_drive_connected": "No USB flash drive connected",
-          "update_file_not_recognised_or_missing": "Update file not recognised or not present",
+          "update_file_not_recognised_or_missing": "Update file not recognized or not present",
           "update_file_does_not_match_device": "Update file does not match the device, update file too old",
           "write_or_read_error_occurred": "Write or read error occurred",
           "file_could_not_be_opened": "File could not be opened",
           "log_file_cannot_be_saved": "Log file cannot be saved (e.g. USB flash drive is write protected or full)",
-          "initialisation_error_file_system_error_on_usb": "Initialisation error in file system on USB flash drive",
+          "initialisation_error_file_system_error_on_usb": "Initialization error in file system on USB flash drive",
           "error_during_logging_data_recording": "Error during recording of logging data",
           "error_during_update_process": "Error occurred during update process",
           "update_file_corrupt": "Update file corrupt",