diff --git a/fern/03-reference/baml/types.mdx b/fern/03-reference/baml/types.mdx
index c94edc7dd..6d97f1893 100644
--- a/fern/03-reference/baml/types.mdx
+++ b/fern/03-reference/baml/types.mdx
@@ -319,12 +319,28 @@ A collection of elements of the same type.
 
 ### Map
 
-A mapping of strings to elements of another type.
+A mapping of strings or enums to elements of another type.
 
 **Syntax**: `map<string, ValueType>`
 
 **Example**: `map<string, string>`
 
+Enums and literal strings can also be used as keys.
+
+```baml
+enum Category {
+  A
+  B
+  C
+}
+
+// Enum key syntax
+map<Category, string>
+
+// Literal strings syntax
+map<"A" | "B" | "C", string>
+```
+
 {/* <Info>
   For TS users: `map<string, ValueType>` will generate a 
   `Record<string, ValueType>` type annotation, but using any other type for the