diff --git a/guides/source/asset_pipeline.textile b/guides/source/asset_pipeline.textile
index 1e61f9bfda..464788f30f 100644
--- a/guides/source/asset_pipeline.textile
+++ b/guides/source/asset_pipeline.textile
@@ -673,7 +673,7 @@ config.assets.compile = false
 # Generate digests for assets URLs.
 config.assets.digest = true
 
-# Defaults to nil.
+# Defaults to nil and saved in location specified by config.assets.prefix
 # config.assets.manifest = YOUR_PATH
 
 # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)