diff --git a/fs/fs.go b/fs/fs.go
index 9da2abaa7..ca6318609 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -1,5 +1,4 @@
-// File system interface
-
+// Generic file system interface for rclone object storage systems
 package fs
 
 import (
diff --git a/fstest/fstest.go b/fstest/fstest.go
index dfcd0db2a..b2b2c65a8 100644
--- a/fstest/fstest.go
+++ b/fstest/fstest.go
@@ -1,5 +1,4 @@
-// Utilities for testing the fs
-
+// Utilities for testing the Fs
 package fstest
 
 // FIXME put name of test FS in Fs structure