diff --git a/devel/build/testing.text b/devel/build/testing.text
new file mode 100644
index 000000000..1ea371380
--- /dev/null
+++ b/devel/build/testing.text
@@ -0,0 +1,9 @@
+Some Notes on Testing
+---------------------
+
+To not alarm users, "make check" (which runs "check-guile" which
+runs "test-suite/guile-test") does not fail on UNRESOLVED tests.
+
+Maintainers who want to be more strict should use:
+
+  ./check-guile --flag-unresolved