diff --git a/lib/Models/Catalog/Esri/ArcGisMapServerCatalogItem.ts b/lib/Models/Catalog/Esri/ArcGisMapServerCatalogItem.ts
index 0126ca7ae4..bbe8dcb291 100644
--- a/lib/Models/Catalog/Esri/ArcGisMapServerCatalogItem.ts
+++ b/lib/Models/Catalog/Esri/ArcGisMapServerCatalogItem.ts
@@ -588,9 +588,6 @@ export default class ArcGisMapServerCatalogItem extends UrlMixin(
           tileWidth: this.tileWidth,
           parameters: params,
           enablePickFeatures: this.allowFeaturePicking,
-          /** Only used "pre-cached" tiles if we aren't requesting any specific layers
-           * If the `layersArray` property is specified, we request individual dynamic layers and ignore the fused map cache.
-           */
           usePreCachedTilesIfAvailable: this.usePreCachedTilesIfAvailable,
           mapServerData: stratum.mapServer,
           token: stratum.token,
diff --git a/lib/Traits/TraitsClasses/ArcGisMapServerCatalogItemTraits.ts b/lib/Traits/TraitsClasses/ArcGisMapServerCatalogItemTraits.ts
index 64dc97da43..269ba45662 100644
--- a/lib/Traits/TraitsClasses/ArcGisMapServerCatalogItemTraits.ts
+++ b/lib/Traits/TraitsClasses/ArcGisMapServerCatalogItemTraits.ts
@@ -96,7 +96,7 @@ export default class ArcGisMapServerCatalogItemTraits extends mixTraits(
   @primitiveTrait({
     name: "Is Forward Time Window",
     description:
-      "If true, the server's pre-cached tiles are used if they are available. This will default to true if no specific layers are fetched (i.e. all layers are fetched). Otherwise, it will default to false. This will also default to false if parameters have been specified",
+      "If true, the server's pre-cached tiles are used if they are available. If false, then the MapServer export endpoint will be used. This will default to true if no specific layers are fetched (i.e. all layers are fetched). Otherwise, it will default to false. This will also default to false if parameters have been specified",
     type: "boolean"
   })
   usePreCachedTilesIfAvailable?: boolean;