diff --git a/800.myco b/800.myco
deleted file mode 100644
index e59901a..0000000
--- a/800.myco
+++ /dev/null
@@ -1,4 +0,0 @@
-= 800
-https://journal.stuffwithstuff.com/2023/10/19/does-go-have-subtyping/
-
-Via Waffle 
\ No newline at end of file
diff --git a/864.myco b/864.myco
new file mode 100644
index 0000000..067c0ce
--- /dev/null
+++ b/864.myco
@@ -0,0 +1,3 @@
+= 864
+https://systemfontstack.com/
+
diff --git a/Does Go Have Subtyping? – journal.stuffwithstuff.com.myco b/Does Go Have Subtyping? – journal.stuffwithstuff.com.myco
deleted file mode 100644
index d8b65dd..0000000
--- a/Does Go Have Subtyping? – journal.stuffwithstuff.com.myco	
+++ /dev/null
@@ -1,4 +0,0 @@
-= Does Go Have Subtyping? – journal.stuffwithstuff.com
-https://journal.stuffwithstuff.com/2023/10/19/does-go-have-subtyping/
-
-Via Waffle 
\ No newline at end of file
diff --git a/systemfontstack.myco b/systemfontstack.myco
new file mode 100644
index 0000000..d3c0fe5
--- /dev/null
+++ b/systemfontstack.myco
@@ -0,0 +1,3 @@
+= systemfontstack
+https://systemfontstack.com/
+