diff --git a/manual-install/sample.conf b/manual-install/sample.conf
index 64d360af068..79fa9b36774 100644
--- a/manual-install/sample.conf
+++ b/manual-install/sample.conf
@@ -37,5 +37,5 @@ NEXTCLOUD_STARTUP_APPS="deck twofactor_totp tasks calendar contacts notes"
 NEXTCLOUD_TRUSTED_CACERTS_DIR=/usr/local/share/ca-certificates/my-custom-ca          # Nextcloud container will trust all the Certification Authorities, whose certificates are included in the given directory.
 NEXTCLOUD_UPLOAD_LIMIT=16G          # This allows to change the upload limit of the Nextcloud container
 REMOVE_DISABLED_APPS=yes        # Setting this to no keep Nextcloud apps that are disabled via their switch and not uninstall them if they should be installed in Nextcloud.
-TALK_PORT=3478          # This allows to adjust the port that the talk container is using.
+TALK_PORT=3478          # This allows to adjust the port that the talk container is using. It should be set to something higher than 1024! Otherwise it might not work!
 UPDATE_NEXTCLOUD_APPS="no"          # When setting to "yes" (with quotes), it will automatically update all installed Nextcloud apps upon container startup on saturdays.