fixing silly typo in docs

docs/reference/migration/migrate_2_2.asciidoc

@@ -10,7 +10,7 @@ your application to Elasticsearch 2.2.
 ==== Geo Point Type
 
 The `geo_point` format has been changed to reduce index size and the time required to both index and query
-geo point data. To make these performance improvements possible both `doc_values` are `coerce` are required
+geo point data. To make these performance improvements possible both `doc_values` and `coerce` are required
 and therefore cannot be changed. For this reason the `doc_values` and `coerce` parameters have been removed
 from the <<geo-point, geo_point>> field mapping.