diff --git a/cmake/BornAgain/Coverage.cmake b/cmake/BornAgain/Coverage.cmake
index 1e1dc466d593e3236c6a92a2e7d43f8708c097eb..85029402106d03302ee95d74b631e7e93bc1bcf5 100644
--- a/cmake/BornAgain/Coverage.cmake
+++ b/cmake/BornAgain/Coverage.cmake
@@ -1,6 +1,8 @@
 # Coverage.cmake
 #
 # Sets up custom target 'coverage', using a function from commons/CoverageFunction.
+#
+# Outcome will be written to html_dir.
 
 set(coverage_ignore_dirs "'/usr/*'")
 list(APPEND coverage_ignore_dirs "'*/auto/*'")