diff --git a/doc/api/modules.markdown b/doc/api/modules.markdown
index e9db1e4b225cbc..5c1d7671e4f701 100644
--- a/doc/api/modules.markdown
+++ b/doc/api/modules.markdown
@@ -339,7 +339,8 @@ example, then `require('./some-library')` would attempt to load:
 If the module identifier passed to `require()` is not a native module,
 and does not begin with `'/'`, `'../'`, or `'./'`, then Node.js starts at the
 parent directory of the current module, and adds `/node_modules`, and
-attempts to load the module from that location.
+attempts to load the module from that location. Node will not append
+`node_modules` to a path already ending in `node_modules`.
 
 If it is not found there, then it moves to the parent directory, and so
 on, until the root of the file system is reached.