worg-editing.org: add link to Org documentation standard

worg-editing.org

@@ -41,6 +41,13 @@ changes.
 ** Properties
 ** Link abbrevations
 ** Conventions about content?
+  :PROPERTIES:
+  :CUSTOM_ID: conventions-about-content
+  :END:
+
+Where you want to follow a documentation convention you may consider the
+[[http://orgmode.org/w/?p=org-mode.git;a=blob;f=doc/Documentation_Standards.org][Org documentation standards]].
+
 ** How rigid are these conventions?
 
 (Suggestion: the farther from the index page you are, the more flexible