diff --git a/crates/typst-syntax/src/highlight.rs b/crates/typst-syntax/src/highlight.rs
index 7128c3584..59cad25ea 100644
--- a/crates/typst-syntax/src/highlight.rs
+++ b/crates/typst-syntax/src/highlight.rs
@@ -286,8 +286,8 @@ pub fn highlight(node: &LinkedNode) -> Option<Tag> {
         SyntaxKind::Destructuring => None,
         SyntaxKind::DestructAssignment => None,
 
-        // TODO
-        SyntaxKind::Decorator => Some(Tag::Comment),
+        SyntaxKind::DecoratorMarker => Some(Tag::Comment),
+        SyntaxKind::Decorator => None,
 
         SyntaxKind::LineComment => Some(Tag::Comment),
         SyntaxKind::BlockComment => Some(Tag::Comment),
diff --git a/crates/typst-syntax/src/kind.rs b/crates/typst-syntax/src/kind.rs
index 769cdd72d..b9ccf45c4 100644
--- a/crates/typst-syntax/src/kind.rs
+++ b/crates/typst-syntax/src/kind.rs
@@ -13,6 +13,8 @@ pub enum SyntaxKind {
     LineComment,
     /// A block comment: `/* ... */`.
     BlockComment,
+    /// A decorator's marker: `/!`
+    DecoratorMarker,
 
     /// The contents of a file or content block.
     Markup,
@@ -374,6 +376,7 @@ impl SyntaxKind {
             Self::Error => "syntax error",
             Self::LineComment => "line comment",
             Self::BlockComment => "block comment",
+            Self::DecoratorMarker => "decorator marker",
             Self::Markup => "markup",
             Self::Text => "text",
             Self::Space => "space",
diff --git a/crates/typst-syntax/src/lexer.rs b/crates/typst-syntax/src/lexer.rs
index e08b4501b..05b125709 100644
--- a/crates/typst-syntax/src/lexer.rs
+++ b/crates/typst-syntax/src/lexer.rs
@@ -233,7 +233,7 @@ impl Lexer<'_> {
         // Already collected all we need from the decorator.
         self.s.jump(start + 2);
 
-        SyntaxKind::Decorator
+        SyntaxKind::DecoratorMarker
     }
 }