diff --git a/factory.js b/factory.js
index cc93bd8..951e766 100644
--- a/factory.js
+++ b/factory.js
@@ -23,6 +23,8 @@ import {pointStart, pointEnd} from 'unist-util-position'
 
 const own = {}.hasOwnProperty
 
+const url = 'https://github.com/retextjs/retext-profanities#readme'
+
 /**
  * @param {Config} config
  */
@@ -80,7 +82,7 @@ export function factory(config) {
             },
             [source, phrase.replace(/\W+/g, '-')].join(':')
           ),
-          {profanitySeverity, actual, expected: []}
+          {profanitySeverity, actual, expected: [], url}
         )
       }
     }
diff --git a/test.js b/test.js
index d84c481..d35fa37 100644
--- a/test.js
+++ b/test.js
@@ -28,7 +28,8 @@ test('profanities', (t) => {
             fatal: false,
             profanitySeverity: 2,
             actual: 'Shit',
-            expected: []
+            expected: [],
+            url: 'https://github.com/retextjs/retext-profanities#readme'
           }
         ],
         'should warn'