diff --git a/colophon.en.adoc b/colophon.en.adoc
index 68a2431..95531be 100644
--- a/colophon.en.adoc
+++ b/colophon.en.adoc
@@ -40,7 +40,7 @@ https://doi.org/10.35035/doc-vf1a-nr22
 
 === Document control
 
-Version 1.1 released on 27 March 2022.
+Version 1.0.1 released on 27 March 2022.
 
 === Abstract