diff --git a/free-courses-en.md b/free-courses-en.md
index 5e60e211a1fdbf4dd44afb9677dba1b2700c920c..a59bcb1e26eb92ed7bf432d83f9976b48d6be114 100644
--- a/free-courses-en.md
+++ b/free-courses-en.md
@@ -36,6 +36,7 @@
 * [Linux](#linux)
 * [Lua](#lua)
 * [Machine Learning](#machine-learning)
+* [Markdown](#markdown)
 * [Matlab](#matlab)
 * [Mercurial](#mercurial)
 * [Misc](#misc)
@@ -382,6 +383,11 @@
 * [Stanford University Machine Learning](https://www.coursera.org/learn/machine-learning)
 
 
+### Markdown
+
+* [MasteringMarkdown](https://masteringmarkdown.com) - Wesbos
+
+
 ### MATLAB
 
 * [Data Processing and Feature Engineering with MATLAB](https://www.coursera.org/learn/feature-engineering-matlab) (coursera)