diff --git a/free-programming-interactive-tutorials-en.md b/free-programming-interactive-tutorials-en.md
index ae816a191..f080d5bff 100644
--- a/free-programming-interactive-tutorials-en.md
+++ b/free-programming-interactive-tutorials-en.md
@@ -32,6 +32,7 @@
 
 ### Bash
 
+* [Help messages will explain everything](https://explainshell.com)
 * [Learn Shell Programming](http://www.learnshell.org)