diff --git a/776.myco b/776.myco
deleted file mode 100644
index d56106b..0000000
--- a/776.myco
+++ /dev/null
@@ -1,4 +0,0 @@
-= 776
-https://www.zim-wiki.org/
-
-> Zim is a notepad like desktop application that is inspired by the way people use wikis.
\ No newline at end of file
diff --git a/840.myco b/840.myco
new file mode 100644
index 0000000..29f6080
--- /dev/null
+++ b/840.myco
@@ -0,0 +1,4 @@
+= 840
+https://www.w3.org/wiki/ActivityPub/Primer
+
+> This is a primer for implementation of ActivityPub.
diff --git a/Zim - a desktop wiki.myco b/Zim - a desktop wiki.myco
deleted file mode 100644
index 0a16cc2..0000000
--- a/Zim - a desktop wiki.myco	
+++ /dev/null
@@ -1,4 +0,0 @@
-= Zim - a desktop wiki
-https://www.zim-wiki.org/
-
-> Zim is a notepad like desktop application that is inspired by the way people use wikis.
\ No newline at end of file