diff --git a/DOC/dovecot/README.dovecot.index b/DOC/dovecot/README.dovecot.index
index 9efade3..0cca74d 100644
--- a/DOC/dovecot/README.dovecot.index
+++ b/DOC/dovecot/README.dovecot.index
@@ -9,4 +9,13 @@ doveadm index -u <user@domain.ltd> INBOX
 
 # - Index INBOX for ALL users
 # -
-doveadm index -A
+doveadm index -A INBOX
+
+
+# - Under certain circumstances it may happen, that dovecot
+# - is unable to automatically solve problems with mailboxes.
+# - In such situations the force-resync command may be helpful.
+# - It tries to fix all problems. For sdbox and mdbox mailboxes 
+# -the storage files will be also checked.
+# -
+doveadm force-resync -A INBOX