diff --git a/_posts/2024-03-20-iso-old-layouts.adoc b/_posts/2024-03-20-iso-old-layouts.adoc
index 6c9e26c1..bc6a07e6 100644
--- a/_posts/2024-03-20-iso-old-layouts.adoc
+++ b/_posts/2024-03-20-iso-old-layouts.adoc
@@ -66,6 +66,12 @@ before the date like this:
 ```
 :presentation-metadata-printing-date: second,1965-12-01
 ```
+
+The cover pages contains the month and year of the publication, for instance, `October 1971`. Metanorma allows
+the date in the format `YYYY-MM-DD`. So, for a 'day' component just specify `01`. Example:
+```
+:revdate: 1971-10-01
+```
  
 == Copyright statements