docs: typo and formatting issues in spec header (#148)

Author: idosal

specification/draft/apps.mdx

@@ -1,8 +1,11 @@
 # SEP-1865: MCP Apps: Interactive User Interfaces for MCP
 
 **Track:** Extensions
-**Authors:** Ido Salomon, Liad Yosef, Olivier Chafik, Jerome Swannack, Jonathan Hefner, Anton Pidkuiko, Nick Cooper, Bryan Ashley, Alexei Christakis
+
+**Authors:** Ido Salomon, Liad Yosef, Olivier Chafik, Jerome Swannack, Jonathan Hefner, Anton Pidkuiko, Nick Cooper, Bryan Ashley, Alexi Christakis
+
 **Status:** Draft
+
 **Created:** 2025-11-21
 
 ## Abstract