diff -r 0b99270832a0 -r fcb00dfa7e23 cygwin.rst
--- a/cygwin.rst	Wed Dec 30 23:13:21 2020 +0200
+++ b/cygwin.rst	Wed Dec 30 23:13:56 2020 +0200
@@ -6,8 +6,14 @@
 .. contents::
    :local:
 
+Installation
+===
+
+http://cygwin.com/mirrors.html
+  Official mirror list.
+
 Configuration
-=============
+===
 
 Run ``setup.exe``. Today you should prefer 64-bit flavor because it sould less BLODA. Add Cygwin
 ``/bin`` directory to your ``PATH`` env var::