diff --git a/README.md b/README.md
index c6381f0..3371bcd 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ## compilation
 
-Due to the usage of TrueType fonts (Aptos and AptosMono) XeTeX/XeLaTeX and the fontspec package are needed to compile this document class:
+Due to the usage of TrueType fonts ([Aptos and AptosMono](https://en.wikipedia.org/wiki/Aptos_(typeface))) [XeTeX/XeLaTeX](https://ctan.org/pkg/xetex) and the [fontspec](https://ctan.org/pkg/fontspec) package are needed to compile this document class:
 
 ```
 xelatex ppexample.tex