diff --git a/website/docs/api/doc.md b/website/docs/api/doc.md
index 40fd8d531..45ecd4d8c 100644
--- a/website/docs/api/doc.md
+++ b/website/docs/api/doc.md
@@ -479,7 +479,7 @@ invalidated, although they may accidentally continue to work.
 Mark a span for merging. The `attrs` will be applied to the resulting token (if
 they're context-dependent token attributes like `LEMMA` or `DEP`) or to the
 underlying lexeme (if they're context-independent lexical attributes like
-`LOWER` or `IS_STOP`). Writable custom extension attributes can be provided using the `"_"` key and specifying a dictionary that maps attribute name to values.
+`LOWER` or `IS_STOP`). Writable custom extension attributes can be provided using the `"_"` key and specifying a dictionary that maps attribute names to values.
 
 > #### Example
 >