diff --git a/README.md b/README.md
index a648218..d1328ff 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ CLI tool to query LDAP/AD servers
   * Classic LDIF
   * JSON stream (with detailed or simplified attribute values)
   * CSV
-  * Markdown table with stretched columns (for viewing in CLI/for monospaces fonts)
+  * Markdown table with stretched columns (for viewing in CLI/for monospaces fonts); requires csvlook from [csvkit](https://csvkit.readthedocs.io/)
   * HTML
 * Decodes certain well-known attributes (UUIDs, Timestamps, SID, userAccountControl)
 * Requires server to support [RFC 2696: Simple Paged Results](https://www.rfc-editor.org/rfc/rfc2696) for proper pagination