1 files changed, 11 insertions, 1 deletions
diff --git a/docs/application/type.md b/docs/application/type.md
index 77c567d..a89302e 100644
--- a/docs/application/type.md
+++ b/docs/application/type.md
@@ -15,16 +15,26 @@ typedef struct {
 
 static const kpl_type_ptr kpl_type_ptr_null = { UINT16_MAX, UINT16_MAX };
 
-typedef enum : uint16_t {
+typedef enum : uint8_t {
     // ...
 } kpl_type_template;
 
+typedef enum : uint8_t {
+    CONST   = 1 << 0
+    EMPTY   = 1 << 1,
+    REF     = 1 << 2,
+    SHARED  = 1 << 3,
+    COUTING = 1 << 4,
+    TRACING = 1 << 5
+} kpl_type_flags;
+
 typedef union {
     // ...
 } kpl_type_body;
 
 typedef struct {
     kpl_type_template template;
+    kpl_type_flags flags;
     _Atomic unt16_t ref_count;
     kpl_type_ptr self, prev, next, parent;
     kpl_type_body body;