diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index dad1bdbbf93f..c39c8702357c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -129,6 +129,9 @@ Before you submit your pull request consider the following guidelines:
     git rebase master -i
     git push origin my-fix-branch -f
     ```
+    
+
+WARNING. Forced push may delete all in-code comments made in your PR
 
 That's it! Thank you for your contribution!
 
diff --git a/empty-file b/empty-file
new file mode 100644
index 000000000000..601764fb364f
--- /dev/null
+++ b/empty-file
@@ -0,0 +1 @@
+Add something
\ No newline at end of file