Support multiple OCR languages

As documented in https://discuss.elastic.co/t/perform-ocr-for-more-than-one-language-by-fscrawler/156183. Closes #626.
dadoonet · Nov 12, 2018 · 0ff9042 · 0ff9042
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commit 0ff9042
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diff --git a/docs/source/user/tips.rst b/docs/source/user/tips.rst
@@ -97,6 +97,22 @@ parsing your documents by setting ``fs.ocr.language`` property in your
      }
    }
 
+.. note::
+
+    You can define multiple languages by using ``+`` sign as a separator:
+
+    .. code:: json
+
+       {
+         "name" : "test",
+         "fs" : {
+           "url" : "/path/to/data/dir",
+           "ocr" : {
+             "language": "eng+fas+fra"
+           }
+         }
+       }
+
 OCR Path
 ^^^^^^^^