Merge branch '4.1'

* 4.1:
  Fixed a RST syntax issue

Author: javiereguiluz

frontend/encore/bootstrap.rst

@@ -1,5 +1,5 @@
 Using Bootstrap CSS & JS
-============================
+========================
 
 Want to use Bootstrap (or something similar) in your project? No problem!
 First, install it. To be able to customize things further, we'll install