Update notes for submitted changes

* Clarify error message for invalid Windows characters

bb/ff3ff008a309210ad93647efb1401c5f43e07d

@@ -0,0 +1,8 @@
+Code-Review+1: David Pursehouse <david.pursehouse@gmail.com>
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Verified+1: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Fri, 29 Mar 2019 17:48:34 -0400
+Reviewed-on: https://git.eclipse.org/r/139473
+Project: jgit/jgit
+Branch: refs/heads/master