diff --git a/pdf/2019-Jeff_Cliff_The_Great_Cloudwall.epub b/pdf/2019-Jeff_Cliff_The_Great_Cloudwall.epub
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diff --git a/pdf/README.md b/pdf/README.md
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@@ -1,3 +1,3 @@
-# PDF
+# PDF, ePUB
 
 For your reading
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