diff --git a/esphome/components/bme68x_bsec2/bme68x_bsec2.h b/esphome/components/bme68x_bsec2/bme68x_bsec2.h
index 2dc1f63617c..240654c52b3 100644
--- a/esphome/components/bme68x_bsec2/bme68x_bsec2.h
+++ b/esphome/components/bme68x_bsec2/bme68x_bsec2.h
@@ -116,7 +116,7 @@ class BME68xBSEC2Component : public Component {
   int8_t bme68x_status_{BME68X_OK};
 
   int64_t last_time_ms_{0};
-  int64_t trigger_time_ns_{0};  // Stored for set_timeout lambda to avoid exceeding std::function SBO
+  int64_t trigger_time_ns_{0};  // Stored for set_timeout lambda to help avoid heap allocation on supported 32-bit toolchains with small std::function SBO
   uint32_t millis_overflow_counter_{0};
 
   std::queue<std::function<void()>> queue_;