Add missing argument to embedStyleMap docs

1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 2c9cbc8..1180322 100644
--- a/README.md
+++ b/README.md
@@ -395,6 +395,8 @@ it will use the embedded style if no explicit style map is provided.
   
     * `{arrayBuffer: arrayBuffer}`, where `arrayBuffer` is an array buffer containing a .docx file.
 
+* `styleMap`: the style map to embed.
+
 * Returns a promise.
   Call `toBuffer()` on the value inside the promise to get a `Buffer` representing the new document.