diff --git a/NEWS.md b/NEWS.md
index a75e7dec0b65ccb829ee044b02ec3d9ec721bd39..682c87fce29ab3cf46395e9cad813d95c2e08ad1 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,6 @@
 # webmap (development version)
 
+* Add [OpenStreetMap](https://www.openstreetmap.org/about) (OSM) tiled base map.
 * Update Leaflet Control Search plugin from `v3.0.9` to `v4.0.0`.
 * Rename base map from "Imagery Only" to "Imagery".
 * Toggle visibility of the "Hydrography" base map using an overlay option.
diff --git a/vignettes/example.Rmd b/vignettes/example.Rmd
index 6ad831e30469b0863f410fd294a541cf44351e94..2d59ea85894514c67dbede40519ae5be6abcdded 100644
--- a/vignettes/example.Rmd
+++ b/vignettes/example.Rmd
@@ -41,7 +41,7 @@ Modify the existing map widget object (`map`) to place buttons on the map that a
 (4) search markers location by property.
 
 ```{r out.height="400px", out.width="100%"}
-map <- map |>
+map |>
   webmap::add_fullscreen_button(pseudo_fullscreen = TRUE) |>
   webmap::add_home_button() |>
   webmap::add_cluster_button(cluster_id = "cluster") |>
@@ -50,7 +50,6 @@ map <- map |>
     zoom = 15,
     text_placeholder = "Search city names..."
   )
-map
 ```
 
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