diff --git a/Important-tips.md b/Important-tips.md
index 7b21450..b7da5d3 100644
--- a/Important-tips.md
+++ b/Important-tips.md
@@ -7,6 +7,7 @@
 * All files/directories will be added to EPUB in alphabetical order.
 * Using high/ultra quality output option with Kindle Fire HD/HDX in most cases is just waste of space.
 * ComicRack metadata will be parsed only if they are saved in *ComicInfo.xml* file.
+* PDF support is symbolic. KCC can only extract JPG images from them.
 
 ### Calibre:
 * Calibre can be used to upload files created by KCC.