-# After this, run your browser ob coverage/open-adventure/index.html
-# to see coverage results.
-coverage: debug
+# Requires gcov, lcov, libasan6, and libubsan1
+# The last two are Ubuntu names, might vary onb other distributions.
+# After this, run your browser on coverage/open-adventure/index.html
+# to see coverage results. Browse coverage/adventure.yaml.html
+# to see symbol coverage over the YAML file.
+coverage: clean debug