diff -r 850d2d84e4c8 -r 69aed373ceb9 git.rst
--- a/git.rst	Tue Aug 08 16:44:06 2017 +0300
+++ b/git.rst	Wed Aug 09 01:58:42 2017 +0300
@@ -320,6 +320,9 @@
 
   $ git reset --hard "HEAD@{...}"
 
+https://stackoverflow.com/questions/134882/undoing-a-git-rebase
+  Undoing git rebase.
+
 Debug git network operation
 ===========================