diff --git a/lib/actions/field-trip.js b/lib/actions/field-trip.js
index c9f085e52..316978475 100644
--- a/lib/actions/field-trip.js
+++ b/lib/actions/field-trip.js
@@ -535,7 +535,10 @@ function prepareQueryParams(request, outbound) {
     }
     const hasExistingLocations = currentQuery.from || currentQuery.to
     const locations =
-      !hasExistingLocations || window.confirm('Overwrite existing locations?')
+      !hasExistingLocations ||
+      window.confirm(
+        'Use custom set locations? Pressing "Cancel" will use the locations you have typed in. Pressing "OK" will use the locations currently saved to the field trip'
+      )
         ? await planParamsToQueryAsync(locationsToGeocode, config)
         : { from: currentQuery.from, to: currentQuery.to }
     return dispatch(setQueryParam({ ...locations, ...queryParams }))