diff --git a/doc/dom.md b/doc/dom.md
index ab356dcd0..e42c46baa 100644
--- a/doc/dom.md
+++ b/doc/dom.md
@@ -770,6 +770,9 @@ void basics_treewalk_1() {
 }
 ```
 
+Notice that we do not include `dom::element_type::BIGINT` in this example
+as `dom::element_type::BIGINT` type is only generated if the parser was
+set to support big integers (`parser.number_as_string(true)`).
 
 
 Reusing the parser for maximum efficiency
diff --git a/include/simdjson/dom/element.h b/include/simdjson/dom/element.h
index 07877fed3..266fa96e3 100644
--- a/include/simdjson/dom/element.h
+++ b/include/simdjson/dom/element.h
@@ -22,6 +22,8 @@ enum class element_type {
   STRING = '"',    ///< std::string_view
   BOOL = 't',      ///< bool
   NULL_VALUE = 'n', ///< null
+  /// The BIGINT type is for integers that do not fit in 64 bits. It is only present
+  // if you set parser.number_as_string(true).
   BIGINT = 'Z'     ///< std::string_view: big integer stored as raw digit string
 };