Update doc/release-notes/6.7-release-notes.md

added word

Author: ofahimIQSS

doc/release-notes/6.7-release-notes.md

@@ -65,7 +65,7 @@ Dataverse now has an experimental capability to dynamically add and configure ne
 
 In addition to two trivial example services designed for testing, Dataverse ships with two search engine classes that support calling an externally-hosted search service (via HTTP GET or POST). These classes rely on the internal `solr` search to perform access-control and to format the final results, simplifying development of such an external engine.
 
-Details about the new functionality are described [the guides](https://guides.dataverse.org/en/6.7/developers/search-services.html). See also #11281.
+Details about the new functionality are described in [the guides](https://guides.dataverse.org/en/6.7/developers/search-services.html). See also #11281.
 
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