preexisting acrolinx

Author: v-dirichards

articles/cosmos-db/mongodb/indexing.md

@@ -284,13 +284,13 @@ In the preceding example, omitting the ```"university":1``` clause returns an er
 
 Unique indexes need to be created while the collection is empty. 
 
-Unique indexes on nested fields are not supported by default due to limiations with arrays. If your nested field does not contain an array, the index will work as intended. If your nested field contains an array (anywhere on the path), that value will be ignored in the unique index and uniqueness wil not be preserved for that value. 
+Unique indexes on nested fields are not supported by default due to limitations with arrays. If your nested field does not contain an array, the index will work as intended. If your nested field contains an array (anywhere on the path), that value will be ignored in the unique index and uniqueness will not be preserved for that value. 
 
 For example a unique index on people.tom.age will work in this case since there's no array on the path:
 ```javascript
 { "people": { "tom": { "age": "25" }, "mark": { "age": "30" } } }
 ```
-but won't won't work in this case since there's an array in the path:
+but won't work in this case since there's an array in the path:
 ```javascript
 { "people": { "tom": [ { "age": "25" } ], "mark": [ { "age": "30" } ] } }
 ```