diff --git a/lib/workers/branch/schedule.js b/lib/workers/branch/schedule.js
index bfa591b932306eb6dff36d5bbe7f23a3a763adfd..8ca82a82529353e769a8a9d88e9dbd566f65e0a6 100644
--- a/lib/workers/branch/schedule.js
+++ b/lib/workers/branch/schedule.js
@@ -29,11 +29,11 @@ function hasValidSchedule(schedule) {
       return true;
     }
     if (parsedSchedule.schedules.some(s => s.m)) {
-      message = 'Schedules should not specify minutes';
+      message = `Schedule "${scheduleText}" should not specify minutes`;
       return true;
     }
     if (!parsedSchedule.schedules.some(s => s.d || s.t_a || s.t_b)) {
-      message = 'Schedule has no days of week or time of day';
+      message = `Schedule "${scheduleText}" has no days of week or time of day`;
       return true;
     }
     // It must be OK
diff --git a/test/config/__snapshots__/validation.spec.js.snap b/test/config/__snapshots__/validation.spec.js.snap
index 0221af410d9a4d5877fec1b443029012bb32b31c..944e828935e5ec01bf66f3f34075bf6276fd68d0 100644
--- a/test/config/__snapshots__/validation.spec.js.snap
+++ b/test/config/__snapshots__/validation.spec.js.snap
@@ -8,7 +8,7 @@ Array [
   },
   Object {
     "depName": "Configuration Error",
-    "message": "Invalid schedule: \`Schedules should not specify minutes\`",
+    "message": "Invalid schedule: \`Schedule \\"every 15 mins every weekday\\" should not specify minutes\`",
   },
   Object {
     "depName": "Configuration Error",