diff --git a/pdf/README.md b/pdf/README.md
index 82f00bf..038ecbf 100644
--- a/pdf/README.md
+++ b/pdf/README.md
@@ -1,6 +1,6 @@
 How To Create PDF (on macOS)
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-PDF file can also be purchased here: https://transactions.sendowl.com/products/78175486/4422834F/view
+**PDF file can also be purchased here: https://transactions.sendowl.com/products/78175486/4422834F/view**
 
 
 Setup