use shortcut style for geostandard link
diff --git a/source/documentation/geosparql/__index.md b/source/documentation/geosparql/__index.md
index c940467..bc5f2fc 100644
--- a/source/documentation/geosparql/__index.md
+++ b/source/documentation/geosparql/__index.md
@@ -8,7 +8,7 @@
An [integration with Fuseki](geosparql-fuseki) is available but attention should be paid to the contents of this page to understand supported features.
## Features
-This implementation follows the 11-052r4 OGC GeoSPARQL standard (https://www.ogc.org/standards/geosparql).
+This implementation follows the 11-052r4 OGC GeoSPARQL standard (<https://www.ogc.org/standards/geosparql>).
The implementation is pure Java and does not require any set-up or configuration of any third party relational databases and geospatial extensions.
It implements the six Conformance Classes described in the GeoSPARQL document:
