diff --git a/lib/str_util.cpp b/lib/str_util.cpp
index 34d1cf61a3..06b786150e 100644
--- a/lib/str_util.cpp
+++ b/lib/str_util.cpp
@@ -579,8 +579,8 @@ const char* suspend_reason_string(int reason) {
     case SUSPEND_REASON_NETWORK_QUOTA_EXCEEDED: return "network bandwidth limit exceeded";
     case SUSPEND_REASON_OS: return "requested by operating system";
     case SUSPEND_REASON_WIFI_STATE: return "not connected to WiFi network";
-    case SUSPEND_REASON_BATTERY_CHARGING: return "battery is recharging";
-    case SUSPEND_REASON_BATTERY_OVERHEATED: return "battery is overheated";
+    case SUSPEND_REASON_BATTERY_CHARGING: return "battery low";
+    case SUSPEND_REASON_BATTERY_OVERHEATED: return "battery thermal protection";
     }
     return "unknown reason";
 }