diff --git a/localwebsite/handlers/InverterHandler.php b/localwebsite/handlers/InverterHandler.php
index cb6571d..8fb5d74 100644
--- a/localwebsite/handlers/InverterHandler.php
+++ b/localwebsite/handlers/InverterHandler.php
@@ -69,7 +69,7 @@ class InverterHandler extends RequestHandler
                 $status['pv1_input_power']['unit']);
 
         if ($status['grid_voltage']['value'] > 0 or $status['grid_freq']['value'] > 0) {
-            $html .= "\n".sprintf('<b>A/C input:</b> %s %s',
+            $html .= "\n".sprintf('<b>AC input:</b> %s %s',
                 $status['grid_voltage']['value'],
                 $status['grid_voltage']['unit']);
             $html .= sprintf(', %s %s',
diff --git a/src/inverter_bot.py b/src/inverter_bot.py
index 447eeb1..b8a01c4 100755
--- a/src/inverter_bot.py
+++ b/src/inverter_bot.py
@@ -444,7 +444,7 @@ class InverterBot(Wrapper):
             error_message='<b>Ошибка:</b> %s.',
 
             # other notifications
-            ac_mode_changed_notification='Пользователь <a href="tg://user?id=%d">%s</a> установил режим A/C: <b>%s</b>.',
+            ac_mode_changed_notification='Пользователь <a href="tg://user?id=%d">%s</a> установил режим AC: <b>%s</b>.',
 
             bat_state_normal='Нормальный',
             bat_state_low='Низкий',
@@ -507,7 +507,7 @@ class InverterBot(Wrapper):
             error_message='<b>Error:</b> %s.',
 
             # other notifications
-            ac_mode_changed_notification='User <a href="tg://user?id=%d">%s</a> set A/C mode to <b>%s</b>.',
+            ac_mode_changed_notification='User <a href="tg://user?id=%d">%s</a> set AC mode to <b>%s</b>.',
 
             bat_state_normal='Normal',
             bat_state_low='Low',