Update SUMMARY.md

Author: mschrage

docs/SUMMARY.md

@@ -2,6 +2,6 @@
 
 [Introduction](./introduction.md)
 
-- [The Agent Format](./the-agent-format.md)
+- [The Agent Format](./agent-format.md)
 - [Native Tools](./native-tools.md)
 - [Knowledge Management](./knowledge-management.md)