diff --git a/540.myco b/540.myco
deleted file mode 100644
index 430343c..0000000
--- a/540.myco
+++ /dev/null
@@ -1,4 +0,0 @@
-= 540
-https://bun.uptrace.dev/
-
-> Lightweight Golang ORM for PostgreSQL, MySQL, MSSQL, and SQLite
\ No newline at end of file
diff --git a/604.myco b/604.myco
new file mode 100644
index 0000000..166c031
--- /dev/null
+++ b/604.myco
@@ -0,0 +1,3 @@
+= 604
+https://nullprogram.com/blog/2014/12/23/
+
diff --git a/Bun: SQL client for Golang.myco b/Bun: SQL client for Golang.myco
deleted file mode 100644
index d392903..0000000
--- a/Bun: SQL client for Golang.myco	
+++ /dev/null
@@ -1,4 +0,0 @@
-= Bun: SQL client for Golang
-https://bun.uptrace.dev/
-
-> Lightweight Golang ORM for PostgreSQL, MySQL, MSSQL, and SQLite
\ No newline at end of file
diff --git a/Interactive Programming in C.myco b/Interactive Programming in C.myco
new file mode 100644
index 0000000..ecb7045
--- /dev/null
+++ b/Interactive Programming in C.myco	
@@ -0,0 +1,3 @@
+= Interactive Programming in C
+https://nullprogram.com/blog/2014/12/23/
+