Update docs/detections/alerts-view-details.asciidoc

Co-authored-by: natasha-moore-elastic <[email protected]>

Author: nastasha-solomon

docs/detections/alerts-view-details.asciidoc

@@ -132,7 +132,7 @@ Click **Visualizations** to display the following previews:
 [[expanded-visualizations-view]]
 === Expanded visualizations view
 
-preview:[]
+preview::[]
 
 .Requirements
 [sidebar]