From d12ddcab567a80a3c7492220c404ee6a878032ce Mon Sep 17 00:00:00 2001
From: lunaaaw <64242273+lunaaaw@users.noreply.github.com>
Date: Tue, 20 Jun 2023 10:31:04 +0800
Subject: [PATCH] Update pdfc.md

---
 indepth/features/pdfc.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/indepth/features/pdfc.md b/indepth/features/pdfc.md
index 877053ce..7473b5da 100644
--- a/indepth/features/pdfc.md
+++ b/indepth/features/pdfc.md
@@ -10,6 +10,8 @@ permalink: /indepth/features/pdfc.html
 
 # PDF Compressor (Beta)
 
+> Starting from version 18.3
+
 PDF Compressor is a new PDF compression technology which may help reduce the resulting file size when saving images as a PDF file. This technology is based on Dynamsoft's proprietary color clustering algorithms. 
 Color clustering uses operates using the RGB value of each pixel in the image to cluster similarly colored pixels.