diff --git a/compatibility/printers.md b/compatibility/printers.md
index 9324bfb5..f6e707a7 100644
--- a/compatibility/printers.md
+++ b/compatibility/printers.md
@@ -9,7 +9,7 @@ Manipulation of printer output through CSS.
 [![Twitter](https://img.shields.io/badge/follow-twitter-55acee.svg?style=flat-square)](https://twitter.com/FrontendDir)
 
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-+ **[Tips And Tricks For Print Style Sheets](http://coding.smashingmagazine.com/2013/03/08/tips-tricks-print-style-sheets/)**: A comprehensive guide for print optimization including background images and colors, expanding external links, QR codes, CSS3 filters for print quality.
++ **[Tips And Tricks For Print Style Sheets](https://www.smashingmagazine.com/2013/03/tips-and-tricks-for-print-style-sheets/)**: A comprehensive guide for print optimization including background images and colors, expanding external links, QR codes, CSS3 filters for print quality.
 
 
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@@ -18,4 +18,4 @@ Manipulation of printer output through CSS.
 
 <a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.
 
-Please provide a link back to this repository. This is not necessary for GitHub forks.
\ No newline at end of file
+Please provide a link back to this repository. This is not necessary for GitHub forks.