some comment updates

storage.go

@@ -1,13 +1,13 @@
 package getter
 
-// Storage is an interface that knows how to lookup downloaded modules
-// as well as download and update modules from their sources into the
+// Storage is an interface that knows how to lookup downloaded directories
+// as well as download and update directories from their sources into the
 // proper location.
 type Storage interface {
-	// Dir returns the directory on local disk where the modulue source
+	// Dir returns the directory on local disk where the directory source
 	// can be loaded from.
 	Dir(string) (string, bool, error)
 
-	// Get will download and optionally update the given module.
+	// Get will download and optionally update the given directory.
 	Get(string, string, bool) error
 }