diff --git a/configs/config.asrock_b85m_pro4.debug_smmstore_hotplug_gcov_ubsan_em100 b/configs/config.asrock_b85m_pro4.debug_smmstore_hotplug_gcov_ubsan_em100
index 11a27bf671f8..62169b59e7cd 100644
--- a/configs/config.asrock_b85m_pro4.debug_smmstore_hotplug_gcov_ubsan_em100
+++ b/configs/config.asrock_b85m_pro4.debug_smmstore_hotplug_gcov_ubsan_em100
@@ -1,4 +1,7 @@
-# Not meant for actual use. Exercises, among other things:
+# Not meant for actual use, but rather to build-test individual options.
+# If keeping this combination of options buildable becomes too hard in
+# the future, then this config can be split into several smaller chunks.
+# Exercises, among other things:
 # + Code coverage
 # + UBSAN
 # + Debug options