diff --git a/esphome/components/hlk_fm22x/hlk_fm22x.h b/esphome/components/hlk_fm22x/hlk_fm22x.h
index 598519af4a0..0ea4636281c 100644
--- a/esphome/components/hlk_fm22x/hlk_fm22x.h
+++ b/esphome/components/hlk_fm22x/hlk_fm22x.h
@@ -14,7 +14,7 @@ namespace esphome::hlk_fm22x {
 
 static const uint16_t START_CODE = 0xEFAA;
 static constexpr size_t HLK_FM22X_NAME_SIZE = 32;
-// Maximum response payload: 1-byte command + 1-byte result + 2-byte face_id + 32-byte name = 36
+// Maximum response payload: command(1) + result(1) + face_id(2) + name(32) = 36
 static constexpr size_t HLK_FM22X_MAX_RESPONSE_SIZE = 36;
 enum HlkFm22xCommand {
   NONE = 0x00,