diff --git a/src/standard-library/builtin.md b/src/standard-library/builtin.md
index 7e60c09..dc8c465 100644
--- a/src/standard-library/builtin.md
+++ b/src/standard-library/builtin.md
@@ -134,4 +134,13 @@ let (result, err) = div(x, y)
 if err != nil {
     // If has error...
 }
-```
\ No newline at end of file
+```
+
+---
+
+```jule
+trait Dispose {
+    pub fn dispose(mut self)
+}
+```
+Implements destructor method.