diff --git a/Version-schemes.asciidoc b/Version-schemes.asciidoc
index 7eac8ce..29192e3 100644
--- a/Version-schemes.asciidoc
+++ b/Version-schemes.asciidoc
@@ -1,6 +1,7 @@
 We distinguish between *release* versions built from tags and *dev* versions built from tip of `main` branch.
 
 == preferred version scheme (semver)
+```
 release version         : 0.25.0
 dev version (unique)    : 0.25.0-dev+6bd8216
 dev version (non-unique): 0.25.0-dev
@@ -10,6 +11,9 @@ release version         : 0.25.0
 dev version (non-unique): 0.25.0-SNAPSHOT
 
 == version scheme for (doc) urls
+
+```
 release version               : .../0.25.0/...
 last published release version: .../current/...
 last published dev version    : .../latest/...
+```
\ No newline at end of file