diff --git a/esphome/espidf/size_summary.py b/esphome/espidf/size_summary.py
index f558e724e2..5237495843 100644
--- a/esphome/espidf/size_summary.py
+++ b/esphome/espidf/size_summary.py
@@ -115,8 +115,9 @@ def print_summary(size_json: Path, partitions_csv: Path | None) -> None:
         _LOGGER.warning("Skipping Flash summary: %s", e)
         return
     if app_size <= 0:
-        # A malformed partition row parses to 0; a 0% bar would feed CI's
-        # memory-impact extraction fabricated data
+        # A "from 0 bytes" denominator is meaningless to a reader. The skip
+        # costs CI's memory-impact extraction its Flash match, which is the
+        # loud outcome a broken partition table deserves.
         _LOGGER.warning(
             "Skipping Flash summary: app partition size is %s in %s",
             app_size,