diff --git a/doc/grouped.PNG b/doc/images/grouped.PNG similarity index 100% rename from doc/grouped.PNG rename to doc/images/grouped.PNG diff --git a/doc/hosts.PNG b/doc/images/hosts.PNG similarity index 100% rename from doc/hosts.PNG rename to doc/images/hosts.PNG diff --git a/doc/instance.PNG b/doc/images/instance.PNG similarity index 100% rename from doc/instance.PNG rename to doc/images/instance.PNG diff --git a/doc/log.PNG b/doc/images/log.PNG similarity index 100% rename from doc/log.PNG rename to doc/images/log.PNG diff --git a/doc/nongrouped.PNG b/doc/images/nongrouped.PNG similarity index 100% rename from doc/nongrouped.PNG rename to doc/images/nongrouped.PNG