diff --git a/plone/app/discussion/KNOWN_ISSUES.txt b/plone/app/discussion/KNOWN_ISSUES.txt
new file mode 100644
index 0000000..53759af
--- /dev/null
+++ b/plone/app/discussion/KNOWN_ISSUES.txt
@@ -0,0 +1,5 @@
+============
+KNOWN ISSUES
+============
+
+- Clear and rebuild the catalog looses all the comments.
\ No newline at end of file