diff --git a/content/blog/wk6day4.md b/content/blog/wk6day4.md
index 9b1d879..2780929 100644
--- a/content/blog/wk6day4.md
+++ b/content/blog/wk6day4.md
@@ -7,7 +7,7 @@ date: 2024-09-05T19:55:00+02:00
 
 In the morning, Dan from the [[APNIC](https://apnic.net/)] webmaster team tags me on LinkedIn and
 Twitter - they have run the second of three contributed blog posts which describe Babel (part 1),
-Unnumbered IPv3 OSPFv3 (part 2) and rolling this out in VPP at IPng Networks (part 3, yet to come).
+Unnumbered IPv4 OSPFv3 (part 2) and rolling this out in VPP at IPng Networks (part 3, yet to come).
 LinkedIn and Twitter buzz a little bit, and I spend some time answering questions and fending off
 that one guy (you know, there's always _that one guy_) who finds this all incredibly boring and
 basic, and needs to actually bother me by making sure I know, that _he_ has been doing all of this