diff --git a/components/csvdocument/IMPORTANT.txt b/components/csvdocument/IMPORTANT.txt
new file mode 100644
index 000000000..01c3f6348
--- /dev/null
+++ b/components/csvdocument/IMPORTANT.txt
@@ -0,0 +1,5 @@
+Since FPC 3.0, CSVDocument has been incorporated into FCL (folder fcl-base/src,
+units csvreadwrite.pp and csvdocument.pp) where it is actively maintained.
+
+This folder on CCR is kept for compatibility, but will not be maintained any 
+more.
\ No newline at end of file