Clarify that module.parent is set once

jorrit · jorrit · commit 54a7f79a4a2e · 2015-07-05T14:23:26.000+02:00
Fixes nodejs#6149
diff --git a/doc/api/modules.markdown b/doc/api/modules.markdown
@@ -357,7 +357,7 @@ loading.
 
 * {Module Object}
 
-The module that required this one.
+The module that first required this one.
 
 
 ### module.children
