diff --git a/pr_agent/settings/configuration.toml b/pr_agent/settings/configuration.toml
index 15c99a32..5d39796b 100644
--- a/pr_agent/settings/configuration.toml
+++ b/pr_agent/settings/configuration.toml
@@ -103,7 +103,7 @@ enable_pr_type=true
 final_update_message = true
 enable_help_text=false
 enable_help_comment=true
-add_diagram=false
+enable_pr_diagram=false # adds a section with a diagram of the PR changes
 # describe as comment
 publish_description_as_comment=false
 publish_description_as_comment_persistent=true