Adjusts recommendations for check

js/modules/k6/k6.go

@@ -101,7 +101,7 @@ func (mi *K6) Group(name string, val sobek.Value) (sobek.Value, error) {
 	}
 	if common.IsAsyncFunction(mi.vu.Runtime(), val) {
 		return sobek.Undefined(), errors.New("group() does not support async functions as arguments, " +
-			"please see https://grafana.com/docs/k6/latest/javascript-api/k6/group/#working-with-async-functions for more info")
+			"please see https://grafana.com/docs/k6/latest/javascript-api/k6/group/ for more info")
 	}
 	oldGroupName, _ := state.Tags.GetCurrentValues().Tags.Get(metrics.TagGroup.String())
 	// TODO: what are we doing if group is not tagged
@@ -179,9 +179,9 @@ func (mi *K6) Check(arg0, checks sobek.Value, extras ...sobek.Value) (bool, erro
 		}
 
 		if common.IsAsyncFunction(rt, val) {
-			return false, errors.New("built-in check() does not support async functions as arguments, " +
-				"please switch to JavaScript replacement, see " +
-				"https://grafana.com/docs/k6/latest/javascript-api/jslib/utils/check/ for more info")
+			return false, errors.New("the built-in check() does not support async functions as arguments. " +
+				"Use the JavaScript utils library as a replacement. " +
+				"Refer to https://grafana.com/docs/k6/latest/javascript-api/jslib/utils/check/ for more info")
 		}
 
 		// Resolve callables into values.