diff --git a/esphome/components/esp8266/crash_handler.cpp b/esphome/components/esp8266/crash_handler.cpp
index e187b0e67c..91b0cf9082 100644
--- a/esphome/components/esp8266/crash_handler.cpp
+++ b/esphome/components/esp8266/crash_handler.cpp
@@ -186,7 +186,7 @@ void crash_handler_log() {
     ESP_LOGE(TAG, "  Reason: %s - %s (exccause=%" PRIu32 ")", LOG_STR_ARG(get_reset_reason(resetInfo.reason)),
              LOG_STR_ARG(cause), exccause);
   } else {
-    ESP_LOGE(TAG, "  Reason: %s", LOG_STR_ARG(get_reset_reason(resetInfo.reason)));
+    ESP_LOGE(TAG, "  Reason: %s (exccause=%" PRIu32 ")", LOG_STR_ARG(get_reset_reason(resetInfo.reason)), exccause);
   }
   ESP_LOGE(TAG, "  PC: 0x%08" PRIX32, resetInfo.epc1);
   if (resetInfo.reason == REASON_EXCEPTION_RST) {
diff --git a/esphome/components/esp8266/crash_handler.h b/esphome/components/esp8266/crash_handler.h
index 2d42d07a7e..ea3683b834 100644
--- a/esphome/components/esp8266/crash_handler.h
+++ b/esphome/components/esp8266/crash_handler.h
@@ -11,7 +11,7 @@ namespace esphome::esp8266 {
 /// Log crash data if a crash was detected on previous boot.
 void crash_handler_log();
 
-/// Returns true if crash data was found this boot.
+/// Returns true if the previous boot was a crash (exception, WDT, or soft WDT).
 bool crash_handler_has_data();
 
 }  // namespace esphome::esp8266