Update README.md

README.md

@@ -44,7 +44,7 @@ app.use('/search', service({host, core}));
 - `defaultSearch` - (*optional*, default: `{ defType: 'edismax', qf: 'name^10 age^1 gender' }`) - Search strategy if query contains the param `$search` [The Extended DisMax Query Parser](https://lucene.apache.org/solr/guide/6_6/the-extended-dismax-query-parser.html).
 - `queryHandler` (*optional* default: `'/query'`) - This params defines the Solr request handler to use.
 - `updateHandler` (*optional* default: `'/update/json'`) - This params defines the Solr update handler to use.
-- `createUUID` (*optional* default: `true`) - This params add aa UUID if not exist on data. Id's generated by `crypto`
+- `createUUID` (*optional* default: `true`) - This params add a UUID if not exist on data. Id's generated by `crypto`
 - `escapeFn` (*optional* default: `(key: string, value: any) => { key, value }`) - To apply escaping.
 - `requestOptions` (*optional* default: `{ timeout: 10 })` - The [options](https://nodejs.org/api/http.html#httprequestoptions-callback) passed to `http.request`.