completed Node Configuration with minor changes (typo)

Author: gwaldo

source/administration/replica-sets.txt

@@ -312,7 +312,7 @@ primary. Member ``3`` has a priority of ``2`` and will become primary,
 if eligible, under most circumstances. Member ``2`` has a priority of
 ``1``, and will become primary if no node with a higher priority is
 eligible to be primary. Since all additional nodes in the set will
-also have a prio1rity of ``1`` by default, member ``2`` and all
+also have a priority of ``1`` by default, member ``2`` and all
 additional nodes will be equally likely to become primary if higher
 priority nodes are not accessible. Finally, member ``1`` has a
 priority of ``0.5``, which makes it less likely to become primary than