snapshot archetypes maven command is documentation does not work

The suggested command in SNAPSHOT ARCHTYPES
in does not work (tried with 3.4.0-SNAPSHOT and 3.5.0-SNAPSHOT) :

mvn archetype:generate
-DarchetypeGroupId=org.apache.camel.archetypes
-DarchetypeArtifactId=camel-archetype-java
-DarchetypeVersion=3.4.0-SNAPSHOT
-DarchetypeRepository=https://repository.apache.org/content/groups/snapshots-group

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.016 s
[INFO] Finished at: 2020-07-11T13:19:43Z
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-archetype-plugin:3.1.2:generate (default-cli) on project standalone-pom: The desired archetype does not exist (org.apache.camel.archetypes:camel-archetype-java:3.4.0-SNAPSHOT) -> [Help 1]
 

  The property archetypeRepository is no longer supported by Maven 3.6.3