Add content-type header to curl in getting-started
Relates to
@@ -588,7 +588,7 @@ You can download the sample dataset (accounts.json) from https://github.com/elas
[source,sh]
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-curl -XPOST 'localhost:9200/bank/account/_bulk?pretty&refresh' --data-binary "@accounts.json"
+curl -H "Content-Type: application/json" -XPOST 'localhost:9200/bank/account/_bulk?pretty&refresh' --data-binary "@accounts.json"
curl 'localhost:9200/_cat/indices?v'
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// NOTCONSOLE
