diff --git a/.obsidian-git-data b/.obsidian-git-data
index ac2942197..a19da8262 100644
--- a/.obsidian-git-data
+++ b/.obsidian-git-data
@@ -1,2 +1,2 @@
 Wed Jun 23 2021 21:23:30 GMT+0200 (Central European Summer Time)
-Wed Jun 23 2021 21:22:31 GMT+0200 (Central European Summer Time)
\ No newline at end of file
+Wed Jun 23 2021 21:23:31 GMT+0200 (Central European Summer Time)
\ No newline at end of file
diff --git a/wittgenstein protocol.md b/wittgenstein protocol.md
index 37a4c1d21..1e1468e83 100644
--- a/wittgenstein protocol.md	
+++ b/wittgenstein protocol.md	
@@ -5,5 +5,5 @@
 		- Built on top of [[agora protocol]].
 			- The [[agora protocol]] can be used in the [[agora]], a [[wiki like]] platform.`
 	- [[2019]] https://anagora.org/wiki/Wittgenstein_Protocol
-		- [[go]] [[2019]]
-
+	- [[2021]] see [[stoa]] below.
+		- [[go]] https://stoa.anagora.org/p/wittgenstein-protocol