diff --git a/http_parser.c b/http_parser.c
index 95ff42f7..0bf1aa13 100644
--- a/http_parser.c
+++ b/http_parser.c
@@ -1801,7 +1801,7 @@ size_t http_parser_execute (http_parser *parser,
           REEXECUTE();
         }
 
-        /* Cannot us transfer-encoding and a content-length header together
+        /* Cannot use transfer-encoding and a content-length header together
            per the HTTP specification. (RFC 7230 Section 3.3.3) */
         if ((parser->extra_flags & (F_TRANSFER_ENCODING >> 8)) &&
             (parser->flags & F_CONTENTLENGTH)) {