Update notes for submitted changes

* Replace "Checkout" by "Check out" when used as a verb

d9/d9862402078c325870b64b8e3efc6e38671dbf

@@ -0,0 +1,7 @@
+Verified+1: CI Bot
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Fri, 15 Mar 2019 16:42:51 -0400
+Reviewed-on: https://git.eclipse.org/r/138859
+Project: jgit/jgit
+Branch: refs/heads/master