Clarify what enableSubmitRequirement=true does

Change-Id: I3c4fb99fa12ea7dad81c88674e6f864999eb8cbf

owners/src/main/resources/Documentation/config.md

diff --git a/owners/src/main/resources/Documentation/config.md b/owners/src/main/resources/Documentation/config.md
index 7ca9eda..b1bace2 100644
--- a/owners/src/main/resources/Documentation/config.md
+++ b/owners/src/main/resources/Documentation/config.md
@@ -42,9 +42,10 @@
 
 <a name="owners.enableSubmitRequirement">owners.enableSubmitRequirement</a>
 :   If set to `true` the approvals are evaluated through the owners plugin
-    provided submit rule without a need of prolog predicate being added to a
-    project or submit requirement configured in the `project.config` as it is
-    automatically applied to all projects. Defaults to `false`.
+    default submit requirement, named "Code-Review-from-Owners", without a need of
+    prolog predicate being added to a project or submit requirement configured
+    in the `project.config` as it is automatically applied to all projects.
+    Defaults to `false`.
 
     Example: