fix various comments

1 files changed, 2 insertions, 2 deletions

diff --git a/fs.h b/fs.h
index 8687d16..241322b 100644
--- a/fs.h
+++ b/fs.h
@@ -9,8 +9,8 @@
 
 // File system super block
 struct superblock {
-  uint size;         // Size of file system (bytes???) xxx
-  uint nblocks;      // Number of blocks
+  uint size;         // Size of file system image (blocks)
+  uint nblocks;      // Number of data blocks
   uint ninodes;      // Number of inodes.
 };