diff --git a/esphome/components/ds3232/ds3232_alarm.cpp b/esphome/components/ds3232/ds3232_alarm.cpp
index a0ec0cb862..cf61031373 100644
--- a/esphome/components/ds3232/ds3232_alarm.cpp
+++ b/esphome/components/ds3232/ds3232_alarm.cpp
@@ -90,11 +90,11 @@ std::string DS3232Alarm::to_string() const {
   char formatted_string[DS3232_ALARM_FORMAT_STRING_LENGTH];
   size_t len;
   switch (this->mode.raw) {
-    //AlarmMode::EVERY_TIME
+    // AlarmMode::EVERY_TIME
     case 15:
     case 31:
       return std::string(this->seconds_supported ? FORMAT_STRING_EVERY_TIME_S : FORMAT_STRING_EVERY_TIME_M);
-    //AlarmMode::MATCH_SECONDS
+    // AlarmMode::MATCH_SECONDS
     case 14:
     case 30:
       if (!this->seconds_supported)
@@ -106,7 +106,7 @@ std::string DS3232Alarm::to_string() const {
         return std::string(INVALID);
       }
       return std::string(formatted_string);
-    //AlarmMode::MATCH_MINUTES_SECONDS
+    // AlarmMode::MATCH_MINUTES_SECONDS
     case 12:
     case 28:
       len = snprintf(formatted_string, sizeof(formatted_string), FORMAT_STRING_EVERY_HOUR, this->minute, this->second);
@@ -115,7 +115,7 @@ std::string DS3232Alarm::to_string() const {
         return std::string(INVALID);
       }
       return std::string(formatted_string);
-    //AlarmMode::MATCH_TIME
+    // AlarmMode::MATCH_TIME
     case 8:
     case 24:
       len = snprintf(formatted_string, sizeof(formatted_string), FORMAT_STRING_EVERY_DAY, this->hour, this->minute,
@@ -125,7 +125,7 @@ std::string DS3232Alarm::to_string() const {
         return std::string(INVALID);
       }
       return std::string(formatted_string);
-    //AlarmMode::MATCH_DAY_OF_WEEK_AND_TIME
+    // AlarmMode::MATCH_DAY_OF_WEEK_AND_TIME
     case 16:
       len = snprintf(formatted_string, sizeof(formatted_string), FORMAT_STRING_EVERY_WEEK,
                      DAYS_OF_WEEK[this->day_of_week], this->hour, this->minute, this->second);
@@ -134,7 +134,7 @@ std::string DS3232Alarm::to_string() const {
         return std::string(INVALID);
       }
       return std::string(formatted_string);
-    //AlarmMode::MATCH_DATE_AND_TIME
+    // AlarmMode::MATCH_DATE_AND_TIME
     case 0:
       len = snprintf(formatted_string, sizeof(formatted_string), FORMAT_STRING_EVERY_MONTH, this->day_of_month,
                      ORDINAL_SUFFIX(this->day_of_month), this->hour, this->minute, this->second);