[taler-docs] 16/21: add comma

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commit a28c97e48fa47c110856768898ad4c577a65849b
Author: Thien-Thi Nguyen <ttn@gnuvola.org>
AuthorDate: Wed Jan 20 21:49:43 2021 -0500

    add comma
---
 libeufin/nexus-tutorial.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libeufin/nexus-tutorial.rst b/libeufin/nexus-tutorial.rst
index 30f6121..7cd04a3 100644
--- a/libeufin/nexus-tutorial.rst
+++ b/libeufin/nexus-tutorial.rst
@@ -272,7 +272,7 @@ a backup copy* of such keys.
 
 At this point, Nexus needs to both communicate its keys to the bank, and
 download the bank's keys.  This syncronization happens through the INI, HIA, 
and
-finally HPB message types.
+finally, HPB message types.
 
 After the electronic synchronization, the subscriber must confirm their keys
 by sending a physical mail to the bank.  The following command helps generating

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