Update README.md

Author: Lituus-Labs

README.md

@@ -5,7 +5,7 @@
 There are three versions of the Augur whitepaper.
   - The V1 whitepaper, which has to-date been available in this repository has been moved to the [v1 directory](/v1).
   - The v2 whitepaper, this version is available in the [v2 directory](/v2) in its original English form.
-  - The Augur Lituus whitepaper available in the [Lituus](/v3) in its original English form.
+  - The Augur Lituus whitepaper available in the [Lituus](/Lituus) in its original English form.
 
 Refer to each directory for more information.