diff --git a/README.md b/README.md
index 5c0fa97ec..5780ac275 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 Plot on map projections (with coastlines and political boundaries)
 using matplotlib.
 
-**Warning**: this package is being deprecated in favour of
+:warning: **Warning**: this package is being deprecated in favour of
 [cartopy](https://scitools.org.uk/cartopy/docs/latest/).
 
 ## Requirements