diff --git a/src/pytest_codspeed/plugin.py b/src/pytest_codspeed/plugin.py
index 4ef24cf..f3a1445 100644
--- a/src/pytest_codspeed/plugin.py
+++ b/src/pytest_codspeed/plugin.py
@@ -40,7 +40,8 @@
     P = ParamSpec("P")
 
 # Keep these bounds in sync with `requires-python`, the Python classifiers in
-# pyproject.toml, and the CI test matrix.
+# pyproject.toml, and the CI test matrix. The CodSpeed app keeps its own copy
+# per release to flag untested runs: tell the team when they change.
 MIN_SUPPORTED_PYTHON_VERSION = (3, 9)
 MAX_SUPPORTED_PYTHON_VERSION = (3, 15)