diff --git a/README.md b/README.md
index 3c3f33d..b96ef61 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,9 @@ steps:
 
 You can either specify specific Julia versions or version ranges. If you specify a version range, the **highest** available Julia version that matches the range will be selected.
 
-**Warning:** It is strongly recommended to wrap versions in quotes. Otherwise, the YAML parser used by GitHub Actions parses certain versions as numbers which causes the wrong version to be selected. For example, `1.0` may be parsed as `1`.
+> **Warning**
+>
+> It is strongly recommended to wrap versions in quotes. Otherwise, the YAML parser used by GitHub Actions parses certain versions as numbers which causes the wrong version to be selected. For example, `1.0` may be parsed as `1`.
 
 #### Examples