add file (RDF)

Author: rpietzsch

docs/build/integrations/index.md

@@ -223,7 +223,7 @@ to interact with Anthropic / Claude provided Large Language Models (LLMs).
 
     ---
 
-    Use the [RDF file](../../build/reference/dataset/file.md) dataset to read and write files in the RDF formats like ([N-Quads](https://www.w3.org/TR/n-quads/), [N-Triples](https://www.w3.org/TR/n-triples/), [Turtle](https://www.w3.org/TR/turtle/), [RDF/XML](https://www.w3.org/TR/rdf-syntax-grammar/) or [RDF/JSON](https://www.w3.org/TR/rdf-json/)).
+    Use the [RDF file](../../build/reference/dataset/file.md) dataset to read and write files in the RDF formats ([N-Quads](https://www.w3.org/TR/n-quads/), [N-Triples](https://www.w3.org/TR/n-triples/), [Turtle](https://www.w3.org/TR/turtle/), [RDF/XML](https://www.w3.org/TR/rdf-syntax-grammar/) or [RDF/JSON](https://www.w3.org/TR/rdf-json/)).
 
 
 -   :material-application-braces-outline:{ .lg .middle } REST